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Finding the Fourth Proportional to 637,418.52, 956,264.22 and 258,334.92

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Solution

The fourth proportional to 637,418.52, 956,264.22 and 258,334.92 is: 387,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,418.52 : 956,264.22 = 258,334.92 : x
  2. Step 2: Convert to fraction form
    637,418.52/956,264.22 = 258,334.92/x
  3. Step 3: Cross multiply
    637,418.52x = 956,264.22 × 258,334.92
  4. Step 4: Simplify right side
    637,418.52x = 247,036,440,772.56
  5. Step 5: Solve for x
    x = 247,036,440,772.56/637,418.52
  6. Step 6: Final answer
    x = 387,557.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.