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Finding the Fourth Proportional to 649,376.78, 896,137.29 and 362,896.79

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Solution

The fourth proportional to 649,376.78, 896,137.29 and 362,896.79 is: 500,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,376.78 : 896,137.29 = 362,896.79 : x
  2. Step 2: Convert to fraction form
    649,376.78/896,137.29 = 362,896.79/x
  3. Step 3: Cross multiply
    649,376.78x = 896,137.29 × 362,896.79
  4. Step 4: Simplify right side
    649,376.78x = 325,205,341,459.61
  5. Step 5: Solve for x
    x = 325,205,341,459.61/649,376.78
  6. Step 6: Final answer
    x = 500,796.08

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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.