Home / 638,718.80-957,227.04-301,848.96

Finding the Fourth Proportional to 638,718.80, 957,227.04 and 301,848.96

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Solution

The fourth proportional to 638,718.80, 957,227.04 and 301,848.96 is: 452,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,718.80 : 957,227.04 = 301,848.96 : x
  2. Step 2: Convert to fraction form
    638,718.80/957,227.04 = 301,848.96/x
  3. Step 3: Cross multiply
    638,718.80x = 957,227.04 × 301,848.96
  4. Step 4: Simplify right side
    638,718.80x = 288,937,986,507.88
  5. Step 5: Solve for x
    x = 288,937,986,507.88/638,718.80
  6. Step 6: Final answer
    x = 452,371.19

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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.