Home / 740,399.60-1,109,951.40-502,972.40

Finding the Fourth Proportional to 740,399.60, 1,109,951.40 and 502,972.40

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Solution

The fourth proportional to 740,399.60, 1,109,951.40 and 502,972.40 is: 754,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,399.60 : 1,109,951.40 = 502,972.40 : x
  2. Step 2: Convert to fraction form
    740,399.60/1,109,951.40 = 502,972.40/x
  3. Step 3: Cross multiply
    740,399.60x = 1,109,951.40 × 502,972.40
  4. Step 4: Simplify right side
    740,399.60x = 558,274,919,541.36
  5. Step 5: Solve for x
    x = 558,274,919,541.36/740,399.60
  6. Step 6: Final answer
    x = 754,018.40

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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.