Home / 679,963.60-1,019,945.40-502,816.60

Finding the Fourth Proportional to 679,963.60, 1,019,945.40 and 502,816.60

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Solution

The fourth proportional to 679,963.60, 1,019,945.40 and 502,816.60 is: 754,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,963.60 : 1,019,945.40 = 502,816.60 : x
  2. Step 2: Convert to fraction form
    679,963.60/1,019,945.40 = 502,816.60/x
  3. Step 3: Cross multiply
    679,963.60x = 1,019,945.40 × 502,816.60
  4. Step 4: Simplify right side
    679,963.60x = 512,845,478,213.64
  5. Step 5: Solve for x
    x = 512,845,478,213.64/679,963.60
  6. Step 6: Final answer
    x = 754,224.90

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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.