Home / 783,399.47-1,174,999.14-303,298.83

Finding the Fourth Proportional to 783,399.47, 1,174,999.14 and 303,298.83

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Solution

The fourth proportional to 783,399.47, 1,174,999.14 and 303,298.83 is: 454,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,399.47 : 1,174,999.14 = 303,298.83 : x
  2. Step 2: Convert to fraction form
    783,399.47/1,174,999.14 = 303,298.83/x
  3. Step 3: Cross multiply
    783,399.47x = 1,174,999.14 × 303,298.83
  4. Step 4: Simplify right side
    783,399.47x = 356,375,863,559.98
  5. Step 5: Solve for x
    x = 356,375,863,559.98/783,399.47
  6. Step 6: Final answer
    x = 454,909.50

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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.