Home / 616,719.83-924,966.54-279,679.43

Finding the Fourth Proportional to 616,719.83, 924,966.54 and 279,679.43

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Solution

The fourth proportional to 616,719.83, 924,966.54 and 279,679.43 is: 419,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,719.83 : 924,966.54 = 279,679.43 : x
  2. Step 2: Convert to fraction form
    616,719.83/924,966.54 = 279,679.43/x
  3. Step 3: Cross multiply
    616,719.83x = 924,966.54 × 279,679.43
  4. Step 4: Simplify right side
    616,719.83x = 258,694,116,988.69
  5. Step 5: Solve for x
    x = 258,694,116,988.69/616,719.83
  6. Step 6: Final answer
    x = 419,467.81

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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.