Home / 638,092.46-880,586.12-351,631.01

Finding the Fourth Proportional to 638,092.46, 880,586.12 and 351,631.01

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Solution

The fourth proportional to 638,092.46, 880,586.12 and 351,631.01 is: 485,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,092.46 : 880,586.12 = 351,631.01 : x
  2. Step 2: Convert to fraction form
    638,092.46/880,586.12 = 351,631.01/x
  3. Step 3: Cross multiply
    638,092.46x = 880,586.12 × 351,631.01
  4. Step 4: Simplify right side
    638,092.46x = 309,641,386,767.58
  5. Step 5: Solve for x
    x = 309,641,386,767.58/638,092.46
  6. Step 6: Final answer
    x = 485,261.00

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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.