Home / 525,845.20-788,767.80-336,888.40

Finding the Fourth Proportional to 525,845.20, 788,767.80 and 336,888.40

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Solution

The fourth proportional to 525,845.20, 788,767.80 and 336,888.40 is: 505,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,845.20 : 788,767.80 = 336,888.40 : x
  2. Step 2: Convert to fraction form
    525,845.20/788,767.80 = 336,888.40/x
  3. Step 3: Cross multiply
    525,845.20x = 788,767.80 × 336,888.40
  4. Step 4: Simplify right side
    525,845.20x = 265,726,722,113.52
  5. Step 5: Solve for x
    x = 265,726,722,113.52/525,845.20
  6. Step 6: Final answer
    x = 505,332.60

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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.