Home / 982,613.91-1,356,539.43-689,164.82

Finding the Fourth Proportional to 982,613.91, 1,356,539.43 and 689,164.82

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Solution

The fourth proportional to 982,613.91, 1,356,539.43 and 689,164.82 is: 951,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,613.91 : 1,356,539.43 = 689,164.82 : x
  2. Step 2: Convert to fraction form
    982,613.91/1,356,539.43 = 689,164.82/x
  3. Step 3: Cross multiply
    982,613.91x = 1,356,539.43 × 689,164.82
  4. Step 4: Simplify right side
    982,613.91x = 934,879,245,316.16
  5. Step 5: Solve for x
    x = 934,879,245,316.16/982,613.91
  6. Step 6: Final answer
    x = 951,420.73

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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.