Home / 817,672.83-1,226,434.06-218,612.52

Finding the Fourth Proportional to 817,672.83, 1,226,434.06 and 218,612.52

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Solution

The fourth proportional to 817,672.83, 1,226,434.06 and 218,612.52 is: 327,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,672.83 : 1,226,434.06 = 218,612.52 : x
  2. Step 2: Convert to fraction form
    817,672.83/1,226,434.06 = 218,612.52/x
  3. Step 3: Cross multiply
    817,672.83x = 1,226,434.06 × 218,612.52
  4. Step 4: Simplify right side
    817,672.83x = 268,113,840,743.70
  5. Step 5: Solve for x
    x = 268,113,840,743.70/817,672.83
  6. Step 6: Final answer
    x = 327,898.68

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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.