Home / 798,110.40-1,197,165.60-656,392.80

Finding the Fourth Proportional to 798,110.40, 1,197,165.60 and 656,392.80

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Solution

The fourth proportional to 798,110.40, 1,197,165.60 and 656,392.80 is: 984,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,110.40 : 1,197,165.60 = 656,392.80 : x
  2. Step 2: Convert to fraction form
    798,110.40/1,197,165.60 = 656,392.80/x
  3. Step 3: Cross multiply
    798,110.40x = 1,197,165.60 × 656,392.80
  4. Step 4: Simplify right side
    798,110.40x = 785,810,880,247.68
  5. Step 5: Solve for x
    x = 785,810,880,247.68/798,110.40
  6. Step 6: Final answer
    x = 984,589.20

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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.