Home / 719,787.92-1,079,678.82-293,228.61

Finding the Fourth Proportional to 719,787.92, 1,079,678.82 and 293,228.61

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Solution

The fourth proportional to 719,787.92, 1,079,678.82 and 293,228.61 is: 439,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,787.92 : 1,079,678.82 = 293,228.61 : x
  2. Step 2: Convert to fraction form
    719,787.92/1,079,678.82 = 293,228.61/x
  3. Step 3: Cross multiply
    719,787.92x = 1,079,678.82 × 293,228.61
  4. Step 4: Simplify right side
    719,787.92x = 316,592,715,036.44
  5. Step 5: Solve for x
    x = 316,592,715,036.44/719,787.92
  6. Step 6: Final answer
    x = 439,841.66

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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.