Home / 829,535.40-1,242,309.78-473,469.93

Finding the Fourth Proportional to 829,535.40, 1,242,309.78 and 473,469.93

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Solution

The fourth proportional to 829,535.40, 1,242,309.78 and 473,469.93 is: 709,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,535.40 : 1,242,309.78 = 473,469.93 : x
  2. Step 2: Convert to fraction form
    829,535.40/1,242,309.78 = 473,469.93/x
  3. Step 3: Cross multiply
    829,535.40x = 1,242,309.78 × 473,469.93
  4. Step 4: Simplify right side
    829,535.40x = 588,196,324,574.92
  5. Step 5: Solve for x
    x = 588,196,324,574.92/829,535.40
  6. Step 6: Final answer
    x = 709,067.18

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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.