Home / 785,360.52-1,083,767.76-479,947.68

Finding the Fourth Proportional to 785,360.52, 1,083,767.76 and 479,947.68

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Solution

The fourth proportional to 785,360.52, 1,083,767.76 and 479,947.68 is: 662,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,360.52 : 1,083,767.76 = 479,947.68 : x
  2. Step 2: Convert to fraction form
    785,360.52/1,083,767.76 = 479,947.68/x
  3. Step 3: Cross multiply
    785,360.52x = 1,083,767.76 × 479,947.68
  4. Step 4: Simplify right side
    785,360.52x = 520,151,822,070.80
  5. Step 5: Solve for x
    x = 520,151,822,070.80/785,360.52
  6. Step 6: Final answer
    x = 662,309.61

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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.