Home / 788,573.10-1,182,514.05-315,101.10

Finding the Fourth Proportional to 788,573.10, 1,182,514.05 and 315,101.10

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Solution

The fourth proportional to 788,573.10, 1,182,514.05 and 315,101.10 is: 472,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,573.10 : 1,182,514.05 = 315,101.10 : x
  2. Step 2: Convert to fraction form
    788,573.10/1,182,514.05 = 315,101.10/x
  3. Step 3: Cross multiply
    788,573.10x = 1,182,514.05 × 315,101.10
  4. Step 4: Simplify right side
    788,573.10x = 372,611,477,920.46
  5. Step 5: Solve for x
    x = 372,611,477,920.46/788,573.10
  6. Step 6: Final answer
    x = 472,513.55

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Half scale
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Double scale
Find fourth proportional to 788,574.10, 1,182,515.55 and 315,102.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.