Home / 658,288.80-907,814.52-454,013.28

Finding the Fourth Proportional to 658,288.80, 907,814.52 and 454,013.28

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Solution

The fourth proportional to 658,288.80, 907,814.52 and 454,013.28 is: 626,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,288.80 : 907,814.52 = 454,013.28 : x
  2. Step 2: Convert to fraction form
    658,288.80/907,814.52 = 454,013.28/x
  3. Step 3: Cross multiply
    658,288.80x = 907,814.52 × 454,013.28
  4. Step 4: Simplify right side
    658,288.80x = 412,159,847,856.83
  5. Step 5: Solve for x
    x = 412,159,847,856.83/658,288.80
  6. Step 6: Final answer
    x = 626,107.95

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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.