Home / 829,085.10-1,243,627.65-268,521.90

Finding the Fourth Proportional to 829,085.10, 1,243,627.65 and 268,521.90

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Solution

The fourth proportional to 829,085.10, 1,243,627.65 and 268,521.90 is: 402,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,085.10 : 1,243,627.65 = 268,521.90 : x
  2. Step 2: Convert to fraction form
    829,085.10/1,243,627.65 = 268,521.90/x
  3. Step 3: Cross multiply
    829,085.10x = 1,243,627.65 × 268,521.90
  4. Step 4: Simplify right side
    829,085.10x = 333,941,259,470.54
  5. Step 5: Solve for x
    x = 333,941,259,470.54/829,085.10
  6. Step 6: Final answer
    x = 402,782.85

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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.