Home / 854,329.86-1,281,678.66-255,339.72

Finding the Fourth Proportional to 854,329.86, 1,281,678.66 and 255,339.72

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Solution

The fourth proportional to 854,329.86, 1,281,678.66 and 255,339.72 is: 383,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,329.86 : 1,281,678.66 = 255,339.72 : x
  2. Step 2: Convert to fraction form
    854,329.86/1,281,678.66 = 255,339.72/x
  3. Step 3: Cross multiply
    854,329.86x = 1,281,678.66 × 255,339.72
  4. Step 4: Simplify right side
    854,329.86x = 327,263,470,174.38
  5. Step 5: Solve for x
    x = 327,263,470,174.38/854,329.86
  6. Step 6: Final answer
    x = 383,064.53

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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.