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Finding the Fourth Proportional to 637,767.36, 880,158.96 and 351,287.28

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Solution

The fourth proportional to 637,767.36, 880,158.96 and 351,287.28 is: 484,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,767.36 : 880,158.96 = 351,287.28 : x
  2. Step 2: Convert to fraction form
    637,767.36/880,158.96 = 351,287.28/x
  3. Step 3: Cross multiply
    637,767.36x = 880,158.96 × 351,287.28
  4. Step 4: Simplify right side
    637,767.36x = 309,188,647,026.03
  5. Step 5: Solve for x
    x = 309,188,647,026.03/637,767.36
  6. Step 6: Final answer
    x = 484,798.48

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1.5x scale

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.