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Finding the Fourth Proportional to 669,924.31, 924,484.32 and 364,005.40

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Solution

The fourth proportional to 669,924.31, 924,484.32 and 364,005.40 is: 502,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,924.31 : 924,484.32 = 364,005.40 : x
  2. Step 2: Convert to fraction form
    669,924.31/924,484.32 = 364,005.40/x
  3. Step 3: Cross multiply
    669,924.31x = 924,484.32 × 364,005.40
  4. Step 4: Simplify right side
    669,924.31x = 336,517,279,285.69
  5. Step 5: Solve for x
    x = 336,517,279,285.69/669,924.31
  6. Step 6: Final answer
    x = 502,321.35

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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.