Home / 834,761.74-1,251,823.40-455,479.73

Finding the Fourth Proportional to 834,761.74, 1,251,823.40 and 455,479.73

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Solution

The fourth proportional to 834,761.74, 1,251,823.40 and 455,479.73 is: 683,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,761.74 : 1,251,823.40 = 455,479.73 : x
  2. Step 2: Convert to fraction form
    834,761.74/1,251,823.40 = 455,479.73/x
  3. Step 3: Cross multiply
    834,761.74x = 1,251,823.40 × 455,479.73
  4. Step 4: Simplify right side
    834,761.74x = 570,180,177,980.57
  5. Step 5: Solve for x
    x = 570,180,177,980.57/834,761.74
  6. Step 6: Final answer
    x = 683,045.42

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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.