Home / 536,002.88-739,472.99-306,436.82

Finding the Fourth Proportional to 536,002.88, 739,472.99 and 306,436.82

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Solution

The fourth proportional to 536,002.88, 739,472.99 and 306,436.82 is: 422,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,002.88 : 739,472.99 = 306,436.82 : x
  2. Step 2: Convert to fraction form
    536,002.88/739,472.99 = 306,436.82/x
  3. Step 3: Cross multiply
    536,002.88x = 739,472.99 × 306,436.82
  4. Step 4: Simplify right side
    536,002.88x = 226,601,746,301.94
  5. Step 5: Solve for x
    x = 226,601,746,301.94/536,002.88
  6. Step 6: Final answer
    x = 422,762.18

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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.