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Finding the Fourth Proportional to 465,605.60, 697,371.60 and 403,397.60

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Solution

The fourth proportional to 465,605.60, 697,371.60 and 403,397.60 is: 604,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,605.60 : 697,371.60 = 403,397.60 : x
  2. Step 2: Convert to fraction form
    465,605.60/697,371.60 = 403,397.60/x
  3. Step 3: Cross multiply
    465,605.60x = 697,371.60 × 403,397.60
  4. Step 4: Simplify right side
    465,605.60x = 281,318,029,748.16
  5. Step 5: Solve for x
    x = 281,318,029,748.16/465,605.60
  6. Step 6: Final answer
    x = 604,198.12

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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.