Home / 987,426.56-1,362,648.32-534,717.44

Finding the Fourth Proportional to 987,426.56, 1,362,648.32 and 534,717.44

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Solution

The fourth proportional to 987,426.56, 1,362,648.32 and 534,717.44 is: 737,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,426.56 : 1,362,648.32 = 534,717.44 : x
  2. Step 2: Convert to fraction form
    987,426.56/1,362,648.32 = 534,717.44/x
  3. Step 3: Cross multiply
    987,426.56x = 1,362,648.32 × 534,717.44
  4. Step 4: Simplify right side
    987,426.56x = 728,631,821,290.70
  5. Step 5: Solve for x
    x = 728,631,821,290.70/987,426.56
  6. Step 6: Final answer
    x = 737,909.89

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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.