Home / 399,003.57-597,828.74-240,899.94

Finding the Fourth Proportional to 399,003.57, 597,828.74 and 240,899.94

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Solution

The fourth proportional to 399,003.57, 597,828.74 and 240,899.94 is: 360,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,003.57 : 597,828.74 = 240,899.94 : x
  2. Step 2: Convert to fraction form
    399,003.57/597,828.74 = 240,899.94/x
  3. Step 3: Cross multiply
    399,003.57x = 597,828.74 × 240,899.94
  4. Step 4: Simplify right side
    399,003.57x = 144,016,906,391.78
  5. Step 5: Solve for x
    x = 144,016,906,391.78/399,003.57
  6. Step 6: Final answer
    x = 360,941.40

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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.