Home / 824,432.70-1,236,651.83-291,969.28

Finding the Fourth Proportional to 824,432.70, 1,236,651.83 and 291,969.28

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Solution

The fourth proportional to 824,432.70, 1,236,651.83 and 291,969.28 is: 437,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,432.70 : 1,236,651.83 = 291,969.28 : x
  2. Step 2: Convert to fraction form
    824,432.70/1,236,651.83 = 291,969.28/x
  3. Step 3: Cross multiply
    824,432.70x = 1,236,651.83 × 291,969.28
  4. Step 4: Simplify right side
    824,432.70x = 361,064,344,415.78
  5. Step 5: Solve for x
    x = 361,064,344,415.78/824,432.70
  6. Step 6: Final answer
    x = 437,954.90

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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.