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Finding the Fourth Proportional to 521,566.60, 731,243 and 521,566.60

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Solution

The fourth proportional to 521,566.60, 731,243 and 521,566.60 is: 731,243

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,566.60 : 731,243 = 521,566.60 : x
  2. Step 2: Convert to fraction form
    521,566.60/731,243 = 521,566.60/x
  3. Step 3: Cross multiply
    521,566.60x = 731,243 × 521,566.60
  4. Step 4: Simplify right side
    521,566.60x = 381,391,925,283.80
  5. Step 5: Solve for x
    x = 381,391,925,283.80/521,566.60
  6. Step 6: Final answer
    x = 731,243

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.