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Finding the Fourth Proportional to 637,851.44, 956,812.08 and 258,715.88

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Solution

The fourth proportional to 637,851.44, 956,812.08 and 258,715.88 is: 388,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,851.44 : 956,812.08 = 258,715.88 : x
  2. Step 2: Convert to fraction form
    637,851.44/956,812.08 = 258,715.88/x
  3. Step 3: Cross multiply
    637,851.44x = 956,812.08 × 258,715.88
  4. Step 4: Simplify right side
    637,851.44x = 247,542,479,271.83
  5. Step 5: Solve for x
    x = 247,542,479,271.83/637,851.44
  6. Step 6: Final answer
    x = 388,087.98

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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.