Home / 786,275.39-1,177,780.11-500,552.95

Finding the Fourth Proportional to 786,275.39, 1,177,780.11 and 500,552.95

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Solution

The fourth proportional to 786,275.39, 1,177,780.11 and 500,552.95 is: 749,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,275.39 : 1,177,780.11 = 500,552.95 : x
  2. Step 2: Convert to fraction form
    786,275.39/1,177,780.11 = 500,552.95/x
  3. Step 3: Cross multiply
    786,275.39x = 1,177,780.11 × 500,552.95
  4. Step 4: Simplify right side
    786,275.39x = 589,541,308,511.83
  5. Step 5: Solve for x
    x = 589,541,308,511.83/786,275.39
  6. Step 6: Final answer
    x = 749,789.85

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1.5x scale

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.