Home / 773,882.72-1,160,822.53-205,320.81

Finding the Fourth Proportional to 773,882.72, 1,160,822.53 and 205,320.81

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Solution

The fourth proportional to 773,882.72, 1,160,822.53 and 205,320.81 is: 307,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,882.72 : 1,160,822.53 = 205,320.81 : x
  2. Step 2: Convert to fraction form
    773,882.72/1,160,822.53 = 205,320.81/x
  3. Step 3: Cross multiply
    773,882.72x = 1,160,822.53 × 205,320.81
  4. Step 4: Simplify right side
    773,882.72x = 238,341,022,125.85
  5. Step 5: Solve for x
    x = 238,341,022,125.85/773,882.72
  6. Step 6: Final answer
    x = 307,980.80

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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.