Home / 724,622.71-1,087,072.13-292,374.46

Finding the Fourth Proportional to 724,622.71, 1,087,072.13 and 292,374.46

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Solution

The fourth proportional to 724,622.71, 1,087,072.13 and 292,374.46 is: 438,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,622.71 : 1,087,072.13 = 292,374.46 : x
  2. Step 2: Convert to fraction form
    724,622.71/1,087,072.13 = 292,374.46/x
  3. Step 3: Cross multiply
    724,622.71x = 1,087,072.13 × 292,374.46
  4. Step 4: Simplify right side
    724,622.71x = 317,832,126,989.80
  5. Step 5: Solve for x
    x = 317,832,126,989.80/724,622.71
  6. Step 6: Final answer
    x = 438,617.40

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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.