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Finding the Fourth Proportional to 521,360.20, 732,003.80 and 521,360.20

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Solution

The fourth proportional to 521,360.20, 732,003.80 and 521,360.20 is: 732,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,360.20 : 732,003.80 = 521,360.20 : x
  2. Step 2: Convert to fraction form
    521,360.20/732,003.80 = 521,360.20/x
  3. Step 3: Cross multiply
    521,360.20x = 732,003.80 × 521,360.20
  4. Step 4: Simplify right side
    521,360.20x = 381,637,647,568.76
  5. Step 5: Solve for x
    x = 381,637,647,568.76/521,360.20
  6. Step 6: Final answer
    x = 732,003.80

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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.