Home / 827,829.20-1,142,498.67-460,342.73

Finding the Fourth Proportional to 827,829.20, 1,142,498.67 and 460,342.73

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Solution

The fourth proportional to 827,829.20, 1,142,498.67 and 460,342.73 is: 635,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,829.20 : 1,142,498.67 = 460,342.73 : x
  2. Step 2: Convert to fraction form
    827,829.20/1,142,498.67 = 460,342.73/x
  3. Step 3: Cross multiply
    827,829.20x = 1,142,498.67 × 460,342.73
  4. Step 4: Simplify right side
    827,829.20x = 525,940,951,056.68
  5. Step 5: Solve for x
    x = 525,940,951,056.68/827,829.20
  6. Step 6: Final answer
    x = 635,325.44

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1.5x scale

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.