Home / 413,680.06-571,096.20-278,425.18

Finding the Fourth Proportional to 413,680.06, 571,096.20 and 278,425.18

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Solution

The fourth proportional to 413,680.06, 571,096.20 and 278,425.18 is: 384,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,680.06 : 571,096.20 = 278,425.18 : x
  2. Step 2: Convert to fraction form
    413,680.06/571,096.20 = 278,425.18/x
  3. Step 3: Cross multiply
    413,680.06x = 571,096.20 × 278,425.18
  4. Step 4: Simplify right side
    413,680.06x = 159,007,562,282.32
  5. Step 5: Solve for x
    x = 159,007,562,282.32/413,680.06
  6. Step 6: Final answer
    x = 384,373.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.