Home / 945,614.92-1,304,903.10-515,869.42

Finding the Fourth Proportional to 945,614.92, 1,304,903.10 and 515,869.42

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Solution

The fourth proportional to 945,614.92, 1,304,903.10 and 515,869.42 is: 711,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,614.92 : 1,304,903.10 = 515,869.42 : x
  2. Step 2: Convert to fraction form
    945,614.92/1,304,903.10 = 515,869.42/x
  3. Step 3: Cross multiply
    945,614.92x = 1,304,903.10 × 515,869.42
  4. Step 4: Simplify right side
    945,614.92x = 673,159,605,353.20
  5. Step 5: Solve for x
    x = 673,159,605,353.20/945,614.92
  6. Step 6: Final answer
    x = 711,874.98

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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.