Home / 880,917.80-1,321,814.10-502,129.40

Finding the Fourth Proportional to 880,917.80, 1,321,814.10 and 502,129.40

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Solution

The fourth proportional to 880,917.80, 1,321,814.10 and 502,129.40 is: 753,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,917.80 : 1,321,814.10 = 502,129.40 : x
  2. Step 2: Convert to fraction form
    880,917.80/1,321,814.10 = 502,129.40/x
  3. Step 3: Cross multiply
    880,917.80x = 1,321,814.10 × 502,129.40
  4. Step 4: Simplify right side
    880,917.80x = 663,721,720,944.54
  5. Step 5: Solve for x
    x = 663,721,720,944.54/880,917.80
  6. Step 6: Final answer
    x = 753,443.42

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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.