Home / 976,761.80-1,465,642.32-465,005.24

Finding the Fourth Proportional to 976,761.80, 1,465,642.32 and 465,005.24

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Solution

The fourth proportional to 976,761.80, 1,465,642.32 and 465,005.24 is: 697,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,761.80 : 1,465,642.32 = 465,005.24 : x
  2. Step 2: Convert to fraction form
    976,761.80/1,465,642.32 = 465,005.24/x
  3. Step 3: Cross multiply
    976,761.80x = 1,465,642.32 × 465,005.24
  4. Step 4: Simplify right side
    976,761.80x = 681,531,358,765.76
  5. Step 5: Solve for x
    x = 681,531,358,765.76/976,761.80
  6. Step 6: Final answer
    x = 697,745.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.