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Finding the Fourth Proportional to 534,700.02, 801,810.36 and 318,660.76

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Solution

The fourth proportional to 534,700.02, 801,810.36 and 318,660.76 is: 477,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,700.02 : 801,810.36 = 318,660.76 : x
  2. Step 2: Convert to fraction form
    534,700.02/801,810.36 = 318,660.76/x
  3. Step 3: Cross multiply
    534,700.02x = 801,810.36 × 318,660.76
  4. Step 4: Simplify right side
    534,700.02x = 255,505,498,693.47
  5. Step 5: Solve for x
    x = 255,505,498,693.47/534,700.02
  6. Step 6: Final answer
    x = 477,848.31

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1.5x scale

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.