Home / 399,037.20-598,584.60-240,925.20

Finding the Fourth Proportional to 399,037.20, 598,584.60 and 240,925.20

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Solution

The fourth proportional to 399,037.20, 598,584.60 and 240,925.20 is: 361,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,037.20 : 598,584.60 = 240,925.20 : x
  2. Step 2: Convert to fraction form
    399,037.20/598,584.60 = 240,925.20/x
  3. Step 3: Cross multiply
    399,037.20x = 598,584.60 × 240,925.20
  4. Step 4: Simplify right side
    399,037.20x = 144,214,114,471.92
  5. Step 5: Solve for x
    x = 144,214,114,471.92/399,037.20
  6. Step 6: Final answer
    x = 361,405.19

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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.