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Finding the Fourth Proportional to 662,444.40, 992,500.20 and 543,471.60

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Solution

The fourth proportional to 662,444.40, 992,500.20 and 543,471.60 is: 814,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,444.40 : 992,500.20 = 543,471.60 : x
  2. Step 2: Convert to fraction form
    662,444.40/992,500.20 = 543,471.60/x
  3. Step 3: Cross multiply
    662,444.40x = 992,500.20 × 543,471.60
  4. Step 4: Simplify right side
    662,444.40x = 539,395,671,694.32
  5. Step 5: Solve for x
    x = 539,395,671,694.32/662,444.40
  6. Step 6: Final answer
    x = 814,250.48

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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.