Home / 770,200.47-1,062,794.84-425,981.70

Finding the Fourth Proportional to 770,200.47, 1,062,794.84 and 425,981.70

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Solution

The fourth proportional to 770,200.47, 1,062,794.84 and 425,981.70 is: 587,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,200.47 : 1,062,794.84 = 425,981.70 : x
  2. Step 2: Convert to fraction form
    770,200.47/1,062,794.84 = 425,981.70/x
  3. Step 3: Cross multiply
    770,200.47x = 1,062,794.84 × 425,981.70
  4. Step 4: Simplify right side
    770,200.47x = 452,731,153,759.38
  5. Step 5: Solve for x
    x = 452,731,153,759.38/770,200.47
  6. Step 6: Final answer
    x = 587,809.50

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1.5x scale

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.