Home / 987,531.75-1,362,793.82-534,822.75

Finding the Fourth Proportional to 987,531.75, 1,362,793.82 and 534,822.75

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Solution

The fourth proportional to 987,531.75, 1,362,793.82 and 534,822.75 is: 738,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,531.75 : 1,362,793.82 = 534,822.75 : x
  2. Step 2: Convert to fraction form
    987,531.75/1,362,793.82 = 534,822.75/x
  3. Step 3: Cross multiply
    987,531.75x = 1,362,793.82 × 534,822.75
  4. Step 4: Simplify right side
    987,531.75x = 728,853,135,821.29
  5. Step 5: Solve for x
    x = 728,853,135,821.29/987,531.75
  6. Step 6: Final answer
    x = 738,055.40

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1.5x scale

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.