Home / 884,730.88-1,220,947.04-497,553.76

Finding the Fourth Proportional to 884,730.88, 1,220,947.04 and 497,553.76

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Solution

The fourth proportional to 884,730.88, 1,220,947.04 and 497,553.76 is: 686,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,730.88 : 1,220,947.04 = 497,553.76 : x
  2. Step 2: Convert to fraction form
    884,730.88/1,220,947.04 = 497,553.76/x
  3. Step 3: Cross multiply
    884,730.88x = 1,220,947.04 × 497,553.76
  4. Step 4: Simplify right side
    884,730.88x = 607,486,790,512.87
  5. Step 5: Solve for x
    x = 607,486,790,512.87/884,730.88
  6. Step 6: Final answer
    x = 686,634.55

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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.