Home / 915,964.86-1,373,950.83-383,112.12

Finding the Fourth Proportional to 915,964.86, 1,373,950.83 and 383,112.12

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Solution

The fourth proportional to 915,964.86, 1,373,950.83 and 383,112.12 is: 574,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,964.86 : 1,373,950.83 = 383,112.12 : x
  2. Step 2: Convert to fraction form
    915,964.86/1,373,950.83 = 383,112.12/x
  3. Step 3: Cross multiply
    915,964.86x = 1,373,950.83 × 383,112.12
  4. Step 4: Simplify right side
    915,964.86x = 526,377,215,257.06
  5. Step 5: Solve for x
    x = 526,377,215,257.06/915,964.86
  6. Step 6: Final answer
    x = 574,669.66

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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.