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Finding the Fourth Proportional to 465,307.20, 697,960.80 and 305,874.90

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Solution

The fourth proportional to 465,307.20, 697,960.80 and 305,874.90 is: 458,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,307.20 : 697,960.80 = 305,874.90 : x
  2. Step 2: Convert to fraction form
    465,307.20/697,960.80 = 305,874.90/x
  3. Step 3: Cross multiply
    465,307.20x = 697,960.80 × 305,874.90
  4. Step 4: Simplify right side
    465,307.20x = 213,488,689,903.92
  5. Step 5: Solve for x
    x = 213,488,689,903.92/465,307.20
  6. Step 6: Final answer
    x = 458,812.35

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Similar ratio
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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.