Home / 749,144.09-1,123,882.64-349,566.91

Finding the Fourth Proportional to 749,144.09, 1,123,882.64 and 349,566.91

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Solution

The fourth proportional to 749,144.09, 1,123,882.64 and 349,566.91 is: 524,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,144.09 : 1,123,882.64 = 349,566.91 : x
  2. Step 2: Convert to fraction form
    749,144.09/1,123,882.64 = 349,566.91/x
  3. Step 3: Cross multiply
    749,144.09x = 1,123,882.64 × 349,566.91
  4. Step 4: Simplify right side
    749,144.09x = 392,872,181,667.44
  5. Step 5: Solve for x
    x = 392,872,181,667.44/749,144.09
  6. Step 6: Final answer
    x = 524,428.06

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1.5x scale

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.