Home / 743,856.60-1,026,785.38-442,047

Finding the Fourth Proportional to 743,856.60, 1,026,785.38 and 442,047

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Solution

The fourth proportional to 743,856.60, 1,026,785.38 and 442,047 is: 610,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,856.60 : 1,026,785.38 = 442,047 : x
  2. Step 2: Convert to fraction form
    743,856.60/1,026,785.38 = 442,047/x
  3. Step 3: Cross multiply
    743,856.60x = 1,026,785.38 × 442,047
  4. Step 4: Simplify right side
    743,856.60x = 453,887,396,872.86
  5. Step 5: Solve for x
    x = 453,887,396,872.86/743,856.60
  6. Step 6: Final answer
    x = 610,181.31

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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.