Home / 855,638.98-1,181,581.92-550,245.70

Finding the Fourth Proportional to 855,638.98, 1,181,581.92 and 550,245.70

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Solution

The fourth proportional to 855,638.98, 1,181,581.92 and 550,245.70 is: 759,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,638.98 : 1,181,581.92 = 550,245.70 : x
  2. Step 2: Convert to fraction form
    855,638.98/1,181,581.92 = 550,245.70/x
  3. Step 3: Cross multiply
    855,638.98x = 1,181,581.92 × 550,245.70
  4. Step 4: Simplify right side
    855,638.98x = 650,160,370,677.74
  5. Step 5: Solve for x
    x = 650,160,370,677.74/855,638.98
  6. Step 6: Final answer
    x = 759,853.61

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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.