Home / 732,545.78-1,010,966.67-442,228.71

Finding the Fourth Proportional to 732,545.78, 1,010,966.67 and 442,228.71

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Solution

The fourth proportional to 732,545.78, 1,010,966.67 and 442,228.71 is: 610,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,545.78 : 1,010,966.67 = 442,228.71 : x
  2. Step 2: Convert to fraction form
    732,545.78/1,010,966.67 = 442,228.71/x
  3. Step 3: Cross multiply
    732,545.78x = 1,010,966.67 × 442,228.71
  4. Step 4: Simplify right side
    732,545.78x = 447,078,490,118.22
  5. Step 5: Solve for x
    x = 447,078,490,118.22/732,545.78
  6. Step 6: Final answer
    x = 610,307.92

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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.