Home / 674,327.20-1,011,490.80-359,399.20

Finding the Fourth Proportional to 674,327.20, 1,011,490.80 and 359,399.20

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Solution

The fourth proportional to 674,327.20, 1,011,490.80 and 359,399.20 is: 539,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,327.20 : 1,011,490.80 = 359,399.20 : x
  2. Step 2: Convert to fraction form
    674,327.20/1,011,490.80 = 359,399.20/x
  3. Step 3: Cross multiply
    674,327.20x = 1,011,490.80 × 359,399.20
  4. Step 4: Simplify right side
    674,327.20x = 363,528,984,327.36
  5. Step 5: Solve for x
    x = 363,528,984,327.36/674,327.20
  6. Step 6: Final answer
    x = 539,098.80

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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.