Home / 835,345.80-1,252,143.90-329,711.40

Finding the Fourth Proportional to 835,345.80, 1,252,143.90 and 329,711.40

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Solution

The fourth proportional to 835,345.80, 1,252,143.90 and 329,711.40 is: 494,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,345.80 : 1,252,143.90 = 329,711.40 : x
  2. Step 2: Convert to fraction form
    835,345.80/1,252,143.90 = 329,711.40/x
  3. Step 3: Cross multiply
    835,345.80x = 1,252,143.90 × 329,711.40
  4. Step 4: Simplify right side
    835,345.80x = 412,846,118,270.46
  5. Step 5: Solve for x
    x = 412,846,118,270.46/835,345.80
  6. Step 6: Final answer
    x = 494,221.82

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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.