Home / 898,448.59-1,239,712.80-530,874.61

Finding the Fourth Proportional to 898,448.59, 1,239,712.80 and 530,874.61

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Solution

The fourth proportional to 898,448.59, 1,239,712.80 and 530,874.61 is: 732,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,448.59 : 1,239,712.80 = 530,874.61 : x
  2. Step 2: Convert to fraction form
    898,448.59/1,239,712.80 = 530,874.61/x
  3. Step 3: Cross multiply
    898,448.59x = 1,239,712.80 × 530,874.61
  4. Step 4: Simplify right side
    898,448.59x = 658,132,044,121.95
  5. Step 5: Solve for x
    x = 658,132,044,121.95/898,448.59
  6. Step 6: Final answer
    x = 732,520.54

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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.