Home / 678,237.60-1,017,473.04-279,095.52

Finding the Fourth Proportional to 678,237.60, 1,017,473.04 and 279,095.52

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Solution

The fourth proportional to 678,237.60, 1,017,473.04 and 279,095.52 is: 418,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,237.60 : 1,017,473.04 = 279,095.52 : x
  2. Step 2: Convert to fraction form
    678,237.60/1,017,473.04 = 279,095.52/x
  3. Step 3: Cross multiply
    678,237.60x = 1,017,473.04 × 279,095.52
  4. Step 4: Simplify right side
    678,237.60x = 283,972,167,184.78
  5. Step 5: Solve for x
    x = 283,972,167,184.78/678,237.60
  6. Step 6: Final answer
    x = 418,691.28

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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.