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Finding the Fourth Proportional to 669,951.68, 924,522.64 and 368,139.20

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Solution

The fourth proportional to 669,951.68, 924,522.64 and 368,139.20 is: 508,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,951.68 : 924,522.64 = 368,139.20 : x
  2. Step 2: Convert to fraction form
    669,951.68/924,522.64 = 368,139.20/x
  3. Step 3: Cross multiply
    669,951.68x = 924,522.64 × 368,139.20
  4. Step 4: Simplify right side
    669,951.68x = 340,353,025,071.49
  5. Step 5: Solve for x
    x = 340,353,025,071.49/669,951.68
  6. Step 6: Final answer
    x = 508,026.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.