Home / 981,847.89-1,354,941.54-552,118.86

Finding the Fourth Proportional to 981,847.89, 1,354,941.54 and 552,118.86

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Solution

The fourth proportional to 981,847.89, 1,354,941.54 and 552,118.86 is: 761,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,847.89 : 1,354,941.54 = 552,118.86 : x
  2. Step 2: Convert to fraction form
    981,847.89/1,354,941.54 = 552,118.86/x
  3. Step 3: Cross multiply
    981,847.89x = 1,354,941.54 × 552,118.86
  4. Step 4: Simplify right side
    981,847.89x = 748,088,778,431.45
  5. Step 5: Solve for x
    x = 748,088,778,431.45/981,847.89
  6. Step 6: Final answer
    x = 761,919.22

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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.