Home / 884,438.13-1,220,371.61-521,834.61

Finding the Fourth Proportional to 884,438.13, 1,220,371.61 and 521,834.61

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Solution

The fourth proportional to 884,438.13, 1,220,371.61 and 521,834.61 is: 720,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,438.13 : 1,220,371.61 = 521,834.61 : x
  2. Step 2: Convert to fraction form
    884,438.13/1,220,371.61 = 521,834.61/x
  3. Step 3: Cross multiply
    884,438.13x = 1,220,371.61 × 521,834.61
  4. Step 4: Simplify right side
    884,438.13x = 636,832,140,550.25
  5. Step 5: Solve for x
    x = 636,832,140,550.25/884,438.13
  6. Step 6: Final answer
    x = 720,041.48

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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.