Home / 981,376.56-1,355,327.64-676,246.32

Finding the Fourth Proportional to 981,376.56, 1,355,327.64 and 676,246.32

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Solution

The fourth proportional to 981,376.56, 1,355,327.64 and 676,246.32 is: 933,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,376.56 : 1,355,327.64 = 676,246.32 : x
  2. Step 2: Convert to fraction form
    981,376.56/1,355,327.64 = 676,246.32/x
  3. Step 3: Cross multiply
    981,376.56x = 1,355,327.64 × 676,246.32
  4. Step 4: Simplify right side
    981,376.56x = 916,535,328,944.29
  5. Step 5: Solve for x
    x = 916,535,328,944.29/981,376.56
  6. Step 6: Final answer
    x = 933,928.29

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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.