Home / 803,521.62-1,204,155.72-577,819.98

Finding the Fourth Proportional to 803,521.62, 1,204,155.72 and 577,819.98

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Solution

The fourth proportional to 803,521.62, 1,204,155.72 and 577,819.98 is: 865,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,521.62 : 1,204,155.72 = 577,819.98 : x
  2. Step 2: Convert to fraction form
    803,521.62/1,204,155.72 = 577,819.98/x
  3. Step 3: Cross multiply
    803,521.62x = 1,204,155.72 × 577,819.98
  4. Step 4: Simplify right side
    803,521.62x = 695,785,234,047.29
  5. Step 5: Solve for x
    x = 695,785,234,047.29/803,521.62
  6. Step 6: Final answer
    x = 865,919.74

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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.