Home / 684,449.18-1,025,949.77-257,800.41

Finding the Fourth Proportional to 684,449.18, 1,025,949.77 and 257,800.41

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Solution

The fourth proportional to 684,449.18, 1,025,949.77 and 257,800.41 is: 386,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,449.18 : 1,025,949.77 = 257,800.41 : x
  2. Step 2: Convert to fraction form
    684,449.18/1,025,949.77 = 257,800.41/x
  3. Step 3: Cross multiply
    684,449.18x = 1,025,949.77 × 257,800.41
  4. Step 4: Simplify right side
    684,449.18x = 264,490,266,215.66
  5. Step 5: Solve for x
    x = 264,490,266,215.66/684,449.18
  6. Step 6: Final answer
    x = 386,427.91

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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.