Home / 691,435.44-1,037,065.68-271,006.56

Finding the Fourth Proportional to 691,435.44, 1,037,065.68 and 271,006.56

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Solution

The fourth proportional to 691,435.44, 1,037,065.68 and 271,006.56 is: 406,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,435.44 : 1,037,065.68 = 271,006.56 : x
  2. Step 2: Convert to fraction form
    691,435.44/1,037,065.68 = 271,006.56/x
  3. Step 3: Cross multiply
    691,435.44x = 1,037,065.68 × 271,006.56
  4. Step 4: Simplify right side
    691,435.44x = 281,051,602,430.86
  5. Step 5: Solve for x
    x = 281,051,602,430.86/691,435.44
  6. Step 6: Final answer
    x = 406,475.55

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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.