Home / 838,587.92-1,258,078.62-239,557.64

Finding the Fourth Proportional to 838,587.92, 1,258,078.62 and 239,557.64

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Solution

The fourth proportional to 838,587.92, 1,258,078.62 and 239,557.64 is: 359,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,587.92 : 1,258,078.62 = 239,557.64 : x
  2. Step 2: Convert to fraction form
    838,587.92/1,258,078.62 = 239,557.64/x
  3. Step 3: Cross multiply
    838,587.92x = 1,258,078.62 × 239,557.64
  4. Step 4: Simplify right side
    838,587.92x = 301,382,345,141.66
  5. Step 5: Solve for x
    x = 301,382,345,141.66/838,587.92
  6. Step 6: Final answer
    x = 359,392.66

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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.