Home / 770,200.71-1,062,795.15-425,981.95

Finding the Fourth Proportional to 770,200.71, 1,062,795.15 and 425,981.95

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Solution

The fourth proportional to 770,200.71, 1,062,795.15 and 425,981.95 is: 587,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,200.71 : 1,062,795.15 = 425,981.95 : x
  2. Step 2: Convert to fraction form
    770,200.71/1,062,795.15 = 425,981.95/x
  3. Step 3: Cross multiply
    770,200.71x = 1,062,795.15 × 425,981.95
  4. Step 4: Simplify right side
    770,200.71x = 452,731,550,447.54
  5. Step 5: Solve for x
    x = 452,731,550,447.54/770,200.71
  6. Step 6: Final answer
    x = 587,809.83

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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.