Home / 825,490.80-1,139,236.20-458,088.48

Finding the Fourth Proportional to 825,490.80, 1,139,236.20 and 458,088.48

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Solution

The fourth proportional to 825,490.80, 1,139,236.20 and 458,088.48 is: 632,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,490.80 : 1,139,236.20 = 458,088.48 : x
  2. Step 2: Convert to fraction form
    825,490.80/1,139,236.20 = 458,088.48/x
  3. Step 3: Cross multiply
    825,490.80x = 1,139,236.20 × 458,088.48
  4. Step 4: Simplify right side
    825,490.80x = 521,870,979,218.98
  5. Step 5: Solve for x
    x = 521,870,979,218.98/825,490.80
  6. Step 6: Final answer
    x = 632,194.79

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Double scale
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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.