Home / 825,880.80-1,238,821.20-735,679.20

Finding the Fourth Proportional to 825,880.80, 1,238,821.20 and 735,679.20

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Solution

The fourth proportional to 825,880.80, 1,238,821.20 and 735,679.20 is: 1,103,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,880.80 : 1,238,821.20 = 735,679.20 : x
  2. Step 2: Convert to fraction form
    825,880.80/1,238,821.20 = 735,679.20/x
  3. Step 3: Cross multiply
    825,880.80x = 1,238,821.20 × 735,679.20
  4. Step 4: Simplify right side
    825,880.80x = 911,374,989,359.04
  5. Step 5: Solve for x
    x = 911,374,989,359.04/825,880.80
  6. Step 6: Final answer
    x = 1,103,518.80

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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.