Home / 770,810.20-1,154,660.10-518,867.80

Finding the Fourth Proportional to 770,810.20, 1,154,660.10 and 518,867.80

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Solution

The fourth proportional to 770,810.20, 1,154,660.10 and 518,867.80 is: 777,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,810.20 : 1,154,660.10 = 518,867.80 : x
  2. Step 2: Convert to fraction form
    770,810.20/1,154,660.10 = 518,867.80/x
  3. Step 3: Cross multiply
    770,810.20x = 1,154,660.10 × 518,867.80
  4. Step 4: Simplify right side
    770,810.20x = 599,115,945,834.78
  5. Step 5: Solve for x
    x = 599,115,945,834.78/770,810.20
  6. Step 6: Final answer
    x = 777,254.82

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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.