Home / 679,989.60-1,019,984.40-502,842.60

Finding the Fourth Proportional to 679,989.60, 1,019,984.40 and 502,842.60

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Solution

The fourth proportional to 679,989.60, 1,019,984.40 and 502,842.60 is: 754,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,989.60 : 1,019,984.40 = 502,842.60 : x
  2. Step 2: Convert to fraction form
    679,989.60/1,019,984.40 = 502,842.60/x
  3. Step 3: Cross multiply
    679,989.60x = 1,019,984.40 × 502,842.60
  4. Step 4: Simplify right side
    679,989.60x = 512,891,607,655.44
  5. Step 5: Solve for x
    x = 512,891,607,655.44/679,989.60
  6. Step 6: Final answer
    x = 754,263.90

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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.