Home / 769,496.40-1,152,932.40-656,647.20

Finding the Fourth Proportional to 769,496.40, 1,152,932.40 and 656,647.20

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Solution

The fourth proportional to 769,496.40, 1,152,932.40 and 656,647.20 is: 983,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,496.40 : 1,152,932.40 = 656,647.20 : x
  2. Step 2: Convert to fraction form
    769,496.40/1,152,932.40 = 656,647.20/x
  3. Step 3: Cross multiply
    769,496.40x = 1,152,932.40 × 656,647.20
  4. Step 4: Simplify right side
    769,496.40x = 757,069,832,249.28
  5. Step 5: Solve for x
    x = 757,069,832,249.28/769,496.40
  6. Step 6: Final answer
    x = 983,851.04

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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.