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Finding the Fourth Proportional to 706,577.85, 1,059,440.04 and 317,013.14

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Solution

The fourth proportional to 706,577.85, 1,059,440.04 and 317,013.14 is: 475,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,577.85 : 1,059,440.04 = 317,013.14 : x
  2. Step 2: Convert to fraction form
    706,577.85/1,059,440.04 = 317,013.14/x
  3. Step 3: Cross multiply
    706,577.85x = 1,059,440.04 × 317,013.14
  4. Step 4: Simplify right side
    706,577.85x = 335,856,416,370.73
  5. Step 5: Solve for x
    x = 335,856,416,370.73/706,577.85
  6. Step 6: Final answer
    x = 475,328.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.