Home / 684,669.38-1,027,097.52-285,216.71

Finding the Fourth Proportional to 684,669.38, 1,027,097.52 and 285,216.71

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Solution

The fourth proportional to 684,669.38, 1,027,097.52 and 285,216.71 is: 427,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,669.38 : 1,027,097.52 = 285,216.71 : x
  2. Step 2: Convert to fraction form
    684,669.38/1,027,097.52 = 285,216.71/x
  3. Step 3: Cross multiply
    684,669.38x = 1,027,097.52 × 285,216.71
  4. Step 4: Simplify right side
    684,669.38x = 292,945,380,531.89
  5. Step 5: Solve for x
    x = 292,945,380,531.89/684,669.38
  6. Step 6: Final answer
    x = 427,864.00

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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.