Home / 985,778.39-1,360,499.03-572,226.92

Finding the Fourth Proportional to 985,778.39, 1,360,499.03 and 572,226.92

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Solution

The fourth proportional to 985,778.39, 1,360,499.03 and 572,226.92 is: 789,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,778.39 : 1,360,499.03 = 572,226.92 : x
  2. Step 2: Convert to fraction form
    985,778.39/1,360,499.03 = 572,226.92/x
  3. Step 3: Cross multiply
    985,778.39x = 1,360,499.03 × 572,226.92
  4. Step 4: Simplify right side
    985,778.39x = 778,514,159,936.26
  5. Step 5: Solve for x
    x = 778,514,159,936.26/985,778.39
  6. Step 6: Final answer
    x = 789,745.62

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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.