Home / 875,662.20-1,208,397.24-493,688.88

Finding the Fourth Proportional to 875,662.20, 1,208,397.24 and 493,688.88

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Solution

The fourth proportional to 875,662.20, 1,208,397.24 and 493,688.88 is: 681,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,662.20 : 1,208,397.24 = 493,688.88 : x
  2. Step 2: Convert to fraction form
    875,662.20/1,208,397.24 = 493,688.88/x
  3. Step 3: Cross multiply
    875,662.20x = 1,208,397.24 × 493,688.88
  4. Step 4: Simplify right side
    875,662.20x = 596,572,280,010.69
  5. Step 5: Solve for x
    x = 596,572,280,010.69/875,662.20
  6. Step 6: Final answer
    x = 681,281.30

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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.