Home / 749,916.56-1,034,882.12-405,751.44

Finding the Fourth Proportional to 749,916.56, 1,034,882.12 and 405,751.44

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Solution

The fourth proportional to 749,916.56, 1,034,882.12 and 405,751.44 is: 559,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,916.56 : 1,034,882.12 = 405,751.44 : x
  2. Step 2: Convert to fraction form
    749,916.56/1,034,882.12 = 405,751.44/x
  3. Step 3: Cross multiply
    749,916.56x = 1,034,882.12 × 405,751.44
  4. Step 4: Simplify right side
    749,916.56x = 419,904,910,420.25
  5. Step 5: Solve for x
    x = 419,904,910,420.25/749,916.56
  6. Step 6: Final answer
    x = 559,935.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.