Home / 854,470.86-1,281,963.21-255,451.50

Finding the Fourth Proportional to 854,470.86, 1,281,963.21 and 255,451.50

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Solution

The fourth proportional to 854,470.86, 1,281,963.21 and 255,451.50 is: 383,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,470.86 : 1,281,963.21 = 255,451.50 : x
  2. Step 2: Convert to fraction form
    854,470.86/1,281,963.21 = 255,451.50/x
  3. Step 3: Cross multiply
    854,470.86x = 1,281,963.21 × 255,451.50
  4. Step 4: Simplify right side
    854,470.86x = 327,479,424,939.32
  5. Step 5: Solve for x
    x = 327,479,424,939.32/854,470.86
  6. Step 6: Final answer
    x = 383,254.06

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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.