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Finding the Fourth Proportional to 637,798.40, 880,151.04 and 351,345.28

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Solution

The fourth proportional to 637,798.40, 880,151.04 and 351,345.28 is: 484,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,798.40 : 880,151.04 = 351,345.28 : x
  2. Step 2: Convert to fraction form
    637,798.40/880,151.04 = 351,345.28/x
  3. Step 3: Cross multiply
    637,798.40x = 880,151.04 × 351,345.28
  4. Step 4: Simplify right side
    637,798.40x = 309,236,913,591.09
  5. Step 5: Solve for x
    x = 309,236,913,591.09/637,798.40
  6. Step 6: Final answer
    x = 484,850.56

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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.