Home / 872,747.68-1,204,384.20-490,766.32

Finding the Fourth Proportional to 872,747.68, 1,204,384.20 and 490,766.32

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Solution

The fourth proportional to 872,747.68, 1,204,384.20 and 490,766.32 is: 677,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,747.68 : 1,204,384.20 = 490,766.32 : x
  2. Step 2: Convert to fraction form
    872,747.68/1,204,384.20 = 490,766.32/x
  3. Step 3: Cross multiply
    872,747.68x = 1,204,384.20 × 490,766.32
  4. Step 4: Simplify right side
    872,747.68x = 591,071,201,700.14
  5. Step 5: Solve for x
    x = 591,071,201,700.14/872,747.68
  6. Step 6: Final answer
    x = 677,253.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.