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Finding the Fourth Proportional to 669,842.01, 924,392.43 and 363,924.45

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Solution

The fourth proportional to 669,842.01, 924,392.43 and 363,924.45 is: 502,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,842.01 : 924,392.43 = 363,924.45 : x
  2. Step 2: Convert to fraction form
    669,842.01/924,392.43 = 363,924.45/x
  3. Step 3: Cross multiply
    669,842.01x = 924,392.43 × 363,924.45
  4. Step 4: Simplify right side
    669,842.01x = 336,409,006,671.91
  5. Step 5: Solve for x
    x = 336,409,006,671.91/669,842.01
  6. Step 6: Final answer
    x = 502,221.42

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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.