Home / 981,980.92-1,354,975.29-552,235.42

Finding the Fourth Proportional to 981,980.92, 1,354,975.29 and 552,235.42

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Solution

The fourth proportional to 981,980.92, 1,354,975.29 and 552,235.42 is: 761,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,980.92 : 1,354,975.29 = 552,235.42 : x
  2. Step 2: Convert to fraction form
    981,980.92/1,354,975.29 = 552,235.42/x
  3. Step 3: Cross multiply
    981,980.92x = 1,354,975.29 × 552,235.42
  4. Step 4: Simplify right side
    981,980.92x = 748,265,350,056.49
  5. Step 5: Solve for x
    x = 748,265,350,056.49/981,980.92
  6. Step 6: Final answer
    x = 761,995.81

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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.