Home / 803,545.39-1,205,279.13-298,204.88

Finding the Fourth Proportional to 803,545.39, 1,205,279.13 and 298,204.88

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Solution

The fourth proportional to 803,545.39, 1,205,279.13 and 298,204.88 is: 447,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,545.39 : 1,205,279.13 = 298,204.88 : x
  2. Step 2: Convert to fraction form
    803,545.39/1,205,279.13 = 298,204.88/x
  3. Step 3: Cross multiply
    803,545.39x = 1,205,279.13 × 298,204.88
  4. Step 4: Simplify right side
    803,545.39x = 359,420,118,328.15
  5. Step 5: Solve for x
    x = 359,420,118,328.15/803,545.39
  6. Step 6: Final answer
    x = 447,292.87

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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.