Home / 981,790.43-1,354,878.89-552,066.80

Finding the Fourth Proportional to 981,790.43, 1,354,878.89 and 552,066.80

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Solution

The fourth proportional to 981,790.43, 1,354,878.89 and 552,066.80 is: 761,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,790.43 : 1,354,878.89 = 552,066.80 : x
  2. Step 2: Convert to fraction form
    981,790.43/1,354,878.89 = 552,066.80/x
  3. Step 3: Cross multiply
    981,790.43x = 1,354,878.89 × 552,066.80
  4. Step 4: Simplify right side
    981,790.43x = 747,983,657,957.22
  5. Step 5: Solve for x
    x = 747,983,657,957.22/981,790.43
  6. Step 6: Final answer
    x = 761,856.74

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1.5x scale

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.