Home / 987,013.35-1,362,082.77-534,304.35

Finding the Fourth Proportional to 987,013.35, 1,362,082.77 and 534,304.35

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Solution

The fourth proportional to 987,013.35, 1,362,082.77 and 534,304.35 is: 737,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,013.35 : 1,362,082.77 = 534,304.35 : x
  2. Step 2: Convert to fraction form
    987,013.35/1,362,082.77 = 534,304.35/x
  3. Step 3: Cross multiply
    987,013.35x = 1,362,082.77 × 534,304.35
  4. Step 4: Simplify right side
    987,013.35x = 727,766,749,071.05
  5. Step 5: Solve for x
    x = 727,766,749,071.05/987,013.35
  6. Step 6: Final answer
    x = 737,342.36

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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.