Home / 803,868.92-1,204,886.13-323,789.45

Finding the Fourth Proportional to 803,868.92, 1,204,886.13 and 323,789.45

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Solution

The fourth proportional to 803,868.92, 1,204,886.13 and 323,789.45 is: 485,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,868.92 : 1,204,886.13 = 323,789.45 : x
  2. Step 2: Convert to fraction form
    803,868.92/1,204,886.13 = 323,789.45/x
  3. Step 3: Cross multiply
    803,868.92x = 1,204,886.13 × 323,789.45
  4. Step 4: Simplify right side
    803,868.92x = 390,129,417,794.83
  5. Step 5: Solve for x
    x = 390,129,417,794.83/803,868.92
  6. Step 6: Final answer
    x = 485,314.71

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1.5x scale

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.