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Finding the Fourth Proportional to 521,736.90, 732,006.30 and 521,736.90

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Solution

The fourth proportional to 521,736.90, 732,006.30 and 521,736.90 is: 732,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,736.90 : 732,006.30 = 521,736.90 : x
  2. Step 2: Convert to fraction form
    521,736.90/732,006.30 = 521,736.90/x
  3. Step 3: Cross multiply
    521,736.90x = 732,006.30 × 521,736.90
  4. Step 4: Simplify right side
    521,736.90x = 381,914,697,742.47
  5. Step 5: Solve for x
    x = 381,914,697,742.47/521,736.90
  6. Step 6: Final answer
    x = 732,006.30

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1.5x scale

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.