Home / 833,438.76-1,149,912.14-523,374.78

Finding the Fourth Proportional to 833,438.76, 1,149,912.14 and 523,374.78

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Solution

The fourth proportional to 833,438.76, 1,149,912.14 and 523,374.78 is: 722,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,438.76 : 1,149,912.14 = 523,374.78 : x
  2. Step 2: Convert to fraction form
    833,438.76/1,149,912.14 = 523,374.78/x
  3. Step 3: Cross multiply
    833,438.76x = 1,149,912.14 × 523,374.78
  4. Step 4: Simplify right side
    833,438.76x = 601,835,013,291.83
  5. Step 5: Solve for x
    x = 601,835,013,291.83/833,438.76
  6. Step 6: Final answer
    x = 722,110.66

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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.