Home / 868,545.64-1,302,390.78-413,010.28

Finding the Fourth Proportional to 868,545.64, 1,302,390.78 and 413,010.28

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Solution

The fourth proportional to 868,545.64, 1,302,390.78 and 413,010.28 is: 619,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,545.64 : 1,302,390.78 = 413,010.28 : x
  2. Step 2: Convert to fraction form
    868,545.64/1,302,390.78 = 413,010.28/x
  3. Step 3: Cross multiply
    868,545.64x = 1,302,390.78 × 413,010.28
  4. Step 4: Simplify right side
    868,545.64x = 537,900,780,717.22
  5. Step 5: Solve for x
    x = 537,900,780,717.22/868,545.64
  6. Step 6: Final answer
    x = 619,312.05

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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.