Home / 803,545.64-1,205,279.51-298,205.13

Finding the Fourth Proportional to 803,545.64, 1,205,279.51 and 298,205.13

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Solution

The fourth proportional to 803,545.64, 1,205,279.51 and 298,205.13 is: 447,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,545.64 : 1,205,279.51 = 298,205.13 : x
  2. Step 2: Convert to fraction form
    803,545.64/1,205,279.51 = 298,205.13/x
  3. Step 3: Cross multiply
    803,545.64x = 1,205,279.51 × 298,205.13
  4. Step 4: Simplify right side
    803,545.64x = 359,420,531,474.86
  5. Step 5: Solve for x
    x = 359,420,531,474.86/803,545.64
  6. Step 6: Final answer
    x = 447,293.24

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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.