Home / 691,037.28-1,034,215.20-424,966.56

Finding the Fourth Proportional to 691,037.28, 1,034,215.20 and 424,966.56

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Solution

The fourth proportional to 691,037.28, 1,034,215.20 and 424,966.56 is: 636,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,037.28 : 1,034,215.20 = 424,966.56 : x
  2. Step 2: Convert to fraction form
    691,037.28/1,034,215.20 = 424,966.56/x
  3. Step 3: Cross multiply
    691,037.28x = 1,034,215.20 × 424,966.56
  4. Step 4: Simplify right side
    691,037.28x = 439,506,875,843.71
  5. Step 5: Solve for x
    x = 439,506,875,843.71/691,037.28
  6. Step 6: Final answer
    x = 636,010.37

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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.