Home / 482,899.64-724,458.81-258,141.65

Finding the Fourth Proportional to 482,899.64, 724,458.81 and 258,141.65

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Solution

The fourth proportional to 482,899.64, 724,458.81 and 258,141.65 is: 387,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,899.64 : 724,458.81 = 258,141.65 : x
  2. Step 2: Convert to fraction form
    482,899.64/724,458.81 = 258,141.65/x
  3. Step 3: Cross multiply
    482,899.64x = 724,458.81 × 258,141.65
  4. Step 4: Simplify right side
    482,899.64x = 187,012,992,570.44
  5. Step 5: Solve for x
    x = 187,012,992,570.44/482,899.64
  6. Step 6: Final answer
    x = 387,270.93

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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.