Home / 749,005.81-1,123,791.54-449,695.04

Finding the Fourth Proportional to 749,005.81, 1,123,791.54 and 449,695.04

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Solution

The fourth proportional to 749,005.81, 1,123,791.54 and 449,695.04 is: 674,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,005.81 : 1,123,791.54 = 449,695.04 : x
  2. Step 2: Convert to fraction form
    749,005.81/1,123,791.54 = 449,695.04/x
  3. Step 3: Cross multiply
    749,005.81x = 1,123,791.54 × 449,695.04
  4. Step 4: Simplify right side
    749,005.81x = 505,363,484,342.28
  5. Step 5: Solve for x
    x = 505,363,484,342.28/749,005.81
  6. Step 6: Final answer
    x = 674,712.37

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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.