Home / 765,499.26-1,148,251.98-310,099.10

Finding the Fourth Proportional to 765,499.26, 1,148,251.98 and 310,099.10

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Solution

The fourth proportional to 765,499.26, 1,148,251.98 and 310,099.10 is: 465,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,499.26 : 1,148,251.98 = 310,099.10 : x
  2. Step 2: Convert to fraction form
    765,499.26/1,148,251.98 = 310,099.10/x
  3. Step 3: Cross multiply
    765,499.26x = 1,148,251.98 × 310,099.10
  4. Step 4: Simplify right side
    765,499.26x = 356,071,908,441.85
  5. Step 5: Solve for x
    x = 356,071,908,441.85/765,499.26
  6. Step 6: Final answer
    x = 465,149.91

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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.