Home / 578,784.29-867,863.30-459,607.97

Finding the Fourth Proportional to 578,784.29, 867,863.30 and 459,607.97

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Solution

The fourth proportional to 578,784.29, 867,863.30 and 459,607.97 is: 689,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,784.29 : 867,863.30 = 459,607.97 : x
  2. Step 2: Convert to fraction form
    578,784.29/867,863.30 = 459,607.97/x
  3. Step 3: Cross multiply
    578,784.29x = 867,863.30 × 459,607.97
  4. Step 4: Simplify right side
    578,784.29x = 398,876,889,422.12
  5. Step 5: Solve for x
    x = 398,876,889,422.12/578,784.29
  6. Step 6: Final answer
    x = 689,163.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.