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Finding the Fourth Proportional to 425,253.08, 637,880.52 and 399,271.52

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Solution

The fourth proportional to 425,253.08, 637,880.52 and 399,271.52 is: 598,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,253.08 : 637,880.52 = 399,271.52 : x
  2. Step 2: Convert to fraction form
    425,253.08/637,880.52 = 399,271.52/x
  3. Step 3: Cross multiply
    425,253.08x = 637,880.52 × 399,271.52
  4. Step 4: Simplify right side
    425,253.08x = 254,687,524,798.79
  5. Step 5: Solve for x
    x = 254,687,524,798.79/425,253.08
  6. Step 6: Final answer
    x = 598,908.13

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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.