Home / 807,837.20-1,210,983-302,260.88

Finding the Fourth Proportional to 807,837.20, 1,210,983 and 302,260.88

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Solution

The fourth proportional to 807,837.20, 1,210,983 and 302,260.88 is: 453,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,837.20 : 1,210,983 = 302,260.88 : x
  2. Step 2: Convert to fraction form
    807,837.20/1,210,983 = 302,260.88/x
  3. Step 3: Cross multiply
    807,837.20x = 1,210,983 × 302,260.88
  4. Step 4: Simplify right side
    807,837.20x = 366,032,787,245.04
  5. Step 5: Solve for x
    x = 366,032,787,245.04/807,837.20
  6. Step 6: Final answer
    x = 453,102.17

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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.