Home / 892,362.38-1,338,040.54-293,162.65

Finding the Fourth Proportional to 892,362.38, 1,338,040.54 and 293,162.65

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Solution

The fourth proportional to 892,362.38, 1,338,040.54 and 293,162.65 is: 439,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,362.38 : 1,338,040.54 = 293,162.65 : x
  2. Step 2: Convert to fraction form
    892,362.38/1,338,040.54 = 293,162.65/x
  3. Step 3: Cross multiply
    892,362.38x = 1,338,040.54 × 293,162.65
  4. Step 4: Simplify right side
    892,362.38x = 392,263,506,435.82
  5. Step 5: Solve for x
    x = 392,263,506,435.82/892,362.38
  6. Step 6: Final answer
    x = 439,578.72

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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.