Home / 964,584.18-1,331,120.79-534,927.78

Finding the Fourth Proportional to 964,584.18, 1,331,120.79 and 534,927.78

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Solution

The fourth proportional to 964,584.18, 1,331,120.79 and 534,927.78 is: 738,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,584.18 : 1,331,120.79 = 534,927.78 : x
  2. Step 2: Convert to fraction form
    964,584.18/1,331,120.79 = 534,927.78/x
  3. Step 3: Cross multiply
    964,584.18x = 1,331,120.79 × 534,927.78
  4. Step 4: Simplify right side
    964,584.18x = 712,053,489,106.55
  5. Step 5: Solve for x
    x = 712,053,489,106.55/964,584.18
  6. Step 6: Final answer
    x = 738,197.35

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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.