Home / 678,765.72-1,017,730.08-229,444.14

Finding the Fourth Proportional to 678,765.72, 1,017,730.08 and 229,444.14

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Solution

The fourth proportional to 678,765.72, 1,017,730.08 and 229,444.14 is: 344,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,765.72 : 1,017,730.08 = 229,444.14 : x
  2. Step 2: Convert to fraction form
    678,765.72/1,017,730.08 = 229,444.14/x
  3. Step 3: Cross multiply
    678,765.72x = 1,017,730.08 × 229,444.14
  4. Step 4: Simplify right side
    678,765.72x = 233,512,202,957.73
  5. Step 5: Solve for x
    x = 233,512,202,957.73/678,765.72
  6. Step 6: Final answer
    x = 344,024.74

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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.