Home / 854,330.86-1,281,680.16-255,340.72

Finding the Fourth Proportional to 854,330.86, 1,281,680.16 and 255,340.72

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Solution

The fourth proportional to 854,330.86, 1,281,680.16 and 255,340.72 is: 383,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,330.86 : 1,281,680.16 = 255,340.72 : x
  2. Step 2: Convert to fraction form
    854,330.86/1,281,680.16 = 255,340.72/x
  3. Step 3: Cross multiply
    854,330.86x = 1,281,680.16 × 255,340.72
  4. Step 4: Simplify right side
    854,330.86x = 327,265,134,864.12
  5. Step 5: Solve for x
    x = 327,265,134,864.12/854,330.86
  6. Step 6: Final answer
    x = 383,066.03

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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.