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Finding the Fourth Proportional to 669,032.58, 924,031.22 and 440,610.96

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Solution

The fourth proportional to 669,032.58, 924,031.22 and 440,610.96 is: 608,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,032.58 : 924,031.22 = 440,610.96 : x
  2. Step 2: Convert to fraction form
    669,032.58/924,031.22 = 440,610.96/x
  3. Step 3: Cross multiply
    669,032.58x = 924,031.22 × 440,610.96
  4. Step 4: Simplify right side
    669,032.58x = 407,138,282,914.17
  5. Step 5: Solve for x
    x = 407,138,282,914.17/669,032.58
  6. Step 6: Final answer
    x = 608,547.77

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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.