Home / 638,443.53-957,947.40-334,765.17

Finding the Fourth Proportional to 638,443.53, 957,947.40 and 334,765.17

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Solution

The fourth proportional to 638,443.53, 957,947.40 and 334,765.17 is: 502,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,443.53 : 957,947.40 = 334,765.17 : x
  2. Step 2: Convert to fraction form
    638,443.53/957,947.40 = 334,765.17/x
  3. Step 3: Cross multiply
    638,443.53x = 957,947.40 × 334,765.17
  4. Step 4: Simplify right side
    638,443.53x = 320,687,424,212.06
  5. Step 5: Solve for x
    x = 320,687,424,212.06/638,443.53
  6. Step 6: Final answer
    x = 502,295.68

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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.