Home / 861,590.30-1,292,525.72-254,440.02

Finding the Fourth Proportional to 861,590.30, 1,292,525.72 and 254,440.02

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Solution

The fourth proportional to 861,590.30, 1,292,525.72 and 254,440.02 is: 381,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,590.30 : 1,292,525.72 = 254,440.02 : x
  2. Step 2: Convert to fraction form
    861,590.30/1,292,525.72 = 254,440.02/x
  3. Step 3: Cross multiply
    861,590.30x = 1,292,525.72 × 254,440.02
  4. Step 4: Simplify right side
    861,590.30x = 328,870,268,775.11
  5. Step 5: Solve for x
    x = 328,870,268,775.11/861,590.30
  6. Step 6: Final answer
    x = 381,701.45

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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.