Home / 486,024.20-729,036.30-409,041.80

Finding the Fourth Proportional to 486,024.20, 729,036.30 and 409,041.80

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Solution

The fourth proportional to 486,024.20, 729,036.30 and 409,041.80 is: 613,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,024.20 : 729,036.30 = 409,041.80 : x
  2. Step 2: Convert to fraction form
    486,024.20/729,036.30 = 409,041.80/x
  3. Step 3: Cross multiply
    486,024.20x = 729,036.30 × 409,041.80
  4. Step 4: Simplify right side
    486,024.20x = 298,206,320,417.34
  5. Step 5: Solve for x
    x = 298,206,320,417.34/486,024.20
  6. Step 6: Final answer
    x = 613,562.70

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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.