Home / 803,431.39-1,205,154.15-204,393.18

Finding the Fourth Proportional to 803,431.39, 1,205,154.15 and 204,393.18

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Solution

The fourth proportional to 803,431.39, 1,205,154.15 and 204,393.18 is: 306,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,431.39 : 1,205,154.15 = 204,393.18 : x
  2. Step 2: Convert to fraction form
    803,431.39/1,205,154.15 = 204,393.18/x
  3. Step 3: Cross multiply
    803,431.39x = 1,205,154.15 × 204,393.18
  4. Step 4: Simplify right side
    803,431.39x = 246,325,289,108.70
  5. Step 5: Solve for x
    x = 246,325,289,108.70/803,431.39
  6. Step 6: Final answer
    x = 306,591.57

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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.