Home / 674,267.46-930,517.44-387,787.83

Finding the Fourth Proportional to 674,267.46, 930,517.44 and 387,787.83

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Solution

The fourth proportional to 674,267.46, 930,517.44 and 387,787.83 is: 535,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,267.46 : 930,517.44 = 387,787.83 : x
  2. Step 2: Convert to fraction form
    674,267.46/930,517.44 = 387,787.83/x
  3. Step 3: Cross multiply
    674,267.46x = 930,517.44 × 387,787.83
  4. Step 4: Simplify right side
    674,267.46x = 360,843,338,834.76
  5. Step 5: Solve for x
    x = 360,843,338,834.76/674,267.46
  6. Step 6: Final answer
    x = 535,163.51

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1.5x scale

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.