Home / 771,023.84-1,063,918.94-426,833.78

Finding the Fourth Proportional to 771,023.84, 1,063,918.94 and 426,833.78

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Solution

The fourth proportional to 771,023.84, 1,063,918.94 and 426,833.78 is: 588,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,023.84 : 1,063,918.94 = 426,833.78 : x
  2. Step 2: Convert to fraction form
    771,023.84/1,063,918.94 = 426,833.78/x
  3. Step 3: Cross multiply
    771,023.84x = 1,063,918.94 × 426,833.78
  4. Step 4: Simplify right side
    771,023.84x = 454,116,542,773.79
  5. Step 5: Solve for x
    x = 454,116,542,773.79/771,023.84
  6. Step 6: Final answer
    x = 588,978.60

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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.