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Finding the Fourth Proportional to 637,442.88, 879,707.52 and 351,024

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Solution

The fourth proportional to 637,442.88, 879,707.52 and 351,024 is: 484,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,442.88 : 879,707.52 = 351,024 : x
  2. Step 2: Convert to fraction form
    637,442.88/879,707.52 = 351,024/x
  3. Step 3: Cross multiply
    637,442.88x = 879,707.52 × 351,024
  4. Step 4: Simplify right side
    637,442.88x = 308,798,452,500.48
  5. Step 5: Solve for x
    x = 308,798,452,500.48/637,442.88
  6. Step 6: Final answer
    x = 484,433.13

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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.