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Finding the Fourth Proportional to 669,042.60, 924,045.04 and 440,620.96

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Solution

The fourth proportional to 669,042.60, 924,045.04 and 440,620.96 is: 608,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,042.60 : 924,045.04 = 440,620.96 : x
  2. Step 2: Convert to fraction form
    669,042.60/924,045.04 = 440,620.96/x
  3. Step 3: Cross multiply
    669,042.60x = 924,045.04 × 440,620.96
  4. Step 4: Simplify right side
    669,042.60x = 407,153,612,608.04
  5. Step 5: Solve for x
    x = 407,153,612,608.04/669,042.60
  6. Step 6: Final answer
    x = 608,561.57

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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.