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Finding the Fourth Proportional to 637,885.72, 957,421.50 and 322,568.92

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Solution

The fourth proportional to 637,885.72, 957,421.50 and 322,568.92 is: 484,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,885.72 : 957,421.50 = 322,568.92 : x
  2. Step 2: Convert to fraction form
    637,885.72/957,421.50 = 322,568.92/x
  3. Step 3: Cross multiply
    637,885.72x = 957,421.50 × 322,568.92
  4. Step 4: Simplify right side
    637,885.72x = 308,834,419,239.78
  5. Step 5: Solve for x
    x = 308,834,419,239.78/637,885.72
  6. Step 6: Final answer
    x = 484,153.21

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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.