Home / 724,371.60-1,086,557.40-624,644.40

Finding the Fourth Proportional to 724,371.60, 1,086,557.40 and 624,644.40

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Solution

The fourth proportional to 724,371.60, 1,086,557.40 and 624,644.40 is: 936,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,371.60 : 1,086,557.40 = 624,644.40 : x
  2. Step 2: Convert to fraction form
    724,371.60/1,086,557.40 = 624,644.40/x
  3. Step 3: Cross multiply
    724,371.60x = 1,086,557.40 × 624,644.40
  4. Step 4: Simplify right side
    724,371.60x = 678,711,995,188.56
  5. Step 5: Solve for x
    x = 678,711,995,188.56/724,371.60
  6. Step 6: Final answer
    x = 936,966.60

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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.