Home / 616,720.83-924,968.04-279,680.43

Finding the Fourth Proportional to 616,720.83, 924,968.04 and 279,680.43

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Solution

The fourth proportional to 616,720.83, 924,968.04 and 279,680.43 is: 419,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,720.83 : 924,968.04 = 279,680.43 : x
  2. Step 2: Convert to fraction form
    616,720.83/924,968.04 = 279,680.43/x
  3. Step 3: Cross multiply
    616,720.83x = 924,968.04 × 279,680.43
  4. Step 4: Simplify right side
    616,720.83x = 258,695,459,163.46
  5. Step 5: Solve for x
    x = 258,695,459,163.46/616,720.83
  6. Step 6: Final answer
    x = 419,469.31

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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.