Home / 588,219.28-811,826.76-330,123.76

Finding the Fourth Proportional to 588,219.28, 811,826.76 and 330,123.76

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Solution

The fourth proportional to 588,219.28, 811,826.76 and 330,123.76 is: 455,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,219.28 : 811,826.76 = 330,123.76 : x
  2. Step 2: Convert to fraction form
    588,219.28/811,826.76 = 330,123.76/x
  3. Step 3: Cross multiply
    588,219.28x = 811,826.76 × 330,123.76
  4. Step 4: Simplify right side
    588,219.28x = 268,003,302,479.82
  5. Step 5: Solve for x
    x = 268,003,302,479.82/588,219.28
  6. Step 6: Final answer
    x = 455,618.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.