Home / 745,013.94-1,117,687.49-271,699.30

Finding the Fourth Proportional to 745,013.94, 1,117,687.49 and 271,699.30

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Solution

The fourth proportional to 745,013.94, 1,117,687.49 and 271,699.30 is: 407,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,013.94 : 1,117,687.49 = 271,699.30 : x
  2. Step 2: Convert to fraction form
    745,013.94/1,117,687.49 = 271,699.30/x
  3. Step 3: Cross multiply
    745,013.94x = 1,117,687.49 × 271,699.30
  4. Step 4: Simplify right side
    745,013.94x = 303,674,908,651.76
  5. Step 5: Solve for x
    x = 303,674,908,651.76/745,013.94
  6. Step 6: Final answer
    x = 407,609.70

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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.