Home / 788,504.10-1,182,756.15-611,556.90

Finding the Fourth Proportional to 788,504.10, 1,182,756.15 and 611,556.90

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Solution

The fourth proportional to 788,504.10, 1,182,756.15 and 611,556.90 is: 917,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,504.10 : 1,182,756.15 = 611,556.90 : x
  2. Step 2: Convert to fraction form
    788,504.10/1,182,756.15 = 611,556.90/x
  3. Step 3: Cross multiply
    788,504.10x = 1,182,756.15 × 611,556.90
  4. Step 4: Simplify right side
    788,504.10x = 723,322,684,549.94
  5. Step 5: Solve for x
    x = 723,322,684,549.94/788,504.10
  6. Step 6: Final answer
    x = 917,335.35

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Double scale
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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.