Home / 745,254.57-1,117,900.24-271,939.78

Finding the Fourth Proportional to 745,254.57, 1,117,900.24 and 271,939.78

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Solution

The fourth proportional to 745,254.57, 1,117,900.24 and 271,939.78 is: 407,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,254.57 : 1,117,900.24 = 271,939.78 : x
  2. Step 2: Convert to fraction form
    745,254.57/1,117,900.24 = 271,939.78/x
  3. Step 3: Cross multiply
    745,254.57x = 1,117,900.24 × 271,939.78
  4. Step 4: Simplify right side
    745,254.57x = 304,001,546,045.07
  5. Step 5: Solve for x
    x = 304,001,546,045.07/745,254.57
  6. Step 6: Final answer
    x = 407,916.38

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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.