Home / 890,391.24-1,228,737.06-482,494.68

Finding the Fourth Proportional to 890,391.24, 1,228,737.06 and 482,494.68

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Solution

The fourth proportional to 890,391.24, 1,228,737.06 and 482,494.68 is: 665,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,391.24 : 1,228,737.06 = 482,494.68 : x
  2. Step 2: Convert to fraction form
    890,391.24/1,228,737.06 = 482,494.68/x
  3. Step 3: Cross multiply
    890,391.24x = 1,228,737.06 × 482,494.68
  4. Step 4: Simplify right side
    890,391.24x = 592,859,094,568.84
  5. Step 5: Solve for x
    x = 592,859,094,568.84/890,391.24
  6. Step 6: Final answer
    x = 665,841.11

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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.