Home / 846,929.54-1,270,126.59-278,217.20

Finding the Fourth Proportional to 846,929.54, 1,270,126.59 and 278,217.20

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Solution

The fourth proportional to 846,929.54, 1,270,126.59 and 278,217.20 is: 417,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,929.54 : 1,270,126.59 = 278,217.20 : x
  2. Step 2: Convert to fraction form
    846,929.54/1,270,126.59 = 278,217.20/x
  3. Step 3: Cross multiply
    846,929.54x = 1,270,126.59 × 278,217.20
  4. Step 4: Simplify right side
    846,929.54x = 353,371,057,164.72
  5. Step 5: Solve for x
    x = 353,371,057,164.72/846,929.54
  6. Step 6: Final answer
    x = 417,237.85

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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.