Home / 846,930.04-1,270,127.35-278,217.70

Finding the Fourth Proportional to 846,930.04, 1,270,127.35 and 278,217.70

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Solution

The fourth proportional to 846,930.04, 1,270,127.35 and 278,217.70 is: 417,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,930.04 : 1,270,127.35 = 278,217.70 : x
  2. Step 2: Convert to fraction form
    846,930.04/1,270,127.35 = 278,217.70/x
  3. Step 3: Cross multiply
    846,930.04x = 1,270,127.35 × 278,217.70
  4. Step 4: Simplify right side
    846,930.04x = 353,371,910,024.10
  5. Step 5: Solve for x
    x = 353,371,910,024.10/846,930.04
  6. Step 6: Final answer
    x = 417,238.61

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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.