Home / 875,882.61-1,208,759.49-493,901.19

Finding the Fourth Proportional to 875,882.61, 1,208,759.49 and 493,901.19

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Solution

The fourth proportional to 875,882.61, 1,208,759.49 and 493,901.19 is: 681,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,882.61 : 1,208,759.49 = 493,901.19 : x
  2. Step 2: Convert to fraction form
    875,882.61/1,208,759.49 = 493,901.19/x
  3. Step 3: Cross multiply
    875,882.61x = 1,208,759.49 × 493,901.19
  4. Step 4: Simplify right side
    875,882.61x = 597,007,750,534.79
  5. Step 5: Solve for x
    x = 597,007,750,534.79/875,882.61
  6. Step 6: Final answer
    x = 681,607.04

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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.