Home / 769,497.90-1,152,934.65-656,648.70

Finding the Fourth Proportional to 769,497.90, 1,152,934.65 and 656,648.70

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Solution

The fourth proportional to 769,497.90, 1,152,934.65 and 656,648.70 is: 983,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,497.90 : 1,152,934.65 = 656,648.70 : x
  2. Step 2: Convert to fraction form
    769,497.90/1,152,934.65 = 656,648.70/x
  3. Step 3: Cross multiply
    769,497.90x = 1,152,934.65 × 656,648.70
  4. Step 4: Simplify right side
    769,497.90x = 757,073,039,107.46
  5. Step 5: Solve for x
    x = 757,073,039,107.46/769,497.90
  6. Step 6: Final answer
    x = 983,853.29

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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.