Home / 981,985.05-1,355,029.11-552,255.93

Finding the Fourth Proportional to 981,985.05, 1,355,029.11 and 552,255.93

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Solution

The fourth proportional to 981,985.05, 1,355,029.11 and 552,255.93 is: 762,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,985.05 : 1,355,029.11 = 552,255.93 : x
  2. Step 2: Convert to fraction form
    981,985.05/1,355,029.11 = 552,255.93/x
  3. Step 3: Cross multiply
    981,985.05x = 1,355,029.11 × 552,255.93
  4. Step 4: Simplify right side
    981,985.05x = 748,322,861,320.12
  5. Step 5: Solve for x
    x = 748,322,861,320.12/981,985.05
  6. Step 6: Final answer
    x = 762,051.18

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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.