Home / 782,807.88-1,173,841.75-303,260.34

Finding the Fourth Proportional to 782,807.88, 1,173,841.75 and 303,260.34

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Solution

The fourth proportional to 782,807.88, 1,173,841.75 and 303,260.34 is: 454,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,807.88 : 1,173,841.75 = 303,260.34 : x
  2. Step 2: Convert to fraction form
    782,807.88/1,173,841.75 = 303,260.34/x
  3. Step 3: Cross multiply
    782,807.88x = 1,173,841.75 × 303,260.34
  4. Step 4: Simplify right side
    782,807.88x = 355,979,648,211.20
  5. Step 5: Solve for x
    x = 355,979,648,211.20/782,807.88
  6. Step 6: Final answer
    x = 454,747.14

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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.