Home / 805,452.60-1,208,095.74-272,959.86

Finding the Fourth Proportional to 805,452.60, 1,208,095.74 and 272,959.86

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Solution

The fourth proportional to 805,452.60, 1,208,095.74 and 272,959.86 is: 409,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,452.60 : 1,208,095.74 = 272,959.86 : x
  2. Step 2: Convert to fraction form
    805,452.60/1,208,095.74 = 272,959.86/x
  3. Step 3: Cross multiply
    805,452.60x = 1,208,095.74 × 272,959.86
  4. Step 4: Simplify right side
    805,452.60x = 329,761,644,057.00
  5. Step 5: Solve for x
    x = 329,761,644,057.00/805,452.60
  6. Step 6: Final answer
    x = 409,411.61

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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.