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Finding the Fourth Proportional to 803,522.52, 1,108,874.69 and 440,980.11

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Solution

The fourth proportional to 803,522.52, 1,108,874.69 and 440,980.11 is: 608,560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,522.52 : 1,108,874.69 = 440,980.11 : x
  2. Step 2: Convert to fraction form
    803,522.52/1,108,874.69 = 440,980.11/x
  3. Step 3: Cross multiply
    803,522.52x = 1,108,874.69 × 440,980.11
  4. Step 4: Simplify right side
    803,522.52x = 488,991,680,567.52
  5. Step 5: Solve for x
    x = 488,991,680,567.52/803,522.52
  6. Step 6: Final answer
    x = 608,560.02

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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.