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Finding the Fourth Proportional to 615,554.73, 924,353.28 and 380,392.11

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Solution

The fourth proportional to 615,554.73, 924,353.28 and 380,392.11 is: 571,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,554.73 : 924,353.28 = 380,392.11 : x
  2. Step 2: Convert to fraction form
    615,554.73/924,353.28 = 380,392.11/x
  3. Step 3: Cross multiply
    615,554.73x = 924,353.28 × 380,392.11
  4. Step 4: Simplify right side
    615,554.73x = 351,616,694,564.62
  5. Step 5: Solve for x
    x = 351,616,694,564.62/615,554.73
  6. Step 6: Final answer
    x = 571,219.22

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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.