Home / 807,106.38-1,210,239.18-301,251.32

Finding the Fourth Proportional to 807,106.38, 1,210,239.18 and 301,251.32

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Solution

The fourth proportional to 807,106.38, 1,210,239.18 and 301,251.32 is: 451,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,106.38 : 1,210,239.18 = 301,251.32 : x
  2. Step 2: Convert to fraction form
    807,106.38/1,210,239.18 = 301,251.32/x
  3. Step 3: Cross multiply
    807,106.38x = 1,210,239.18 × 301,251.32
  4. Step 4: Simplify right side
    807,106.38x = 364,586,150,490.72
  5. Step 5: Solve for x
    x = 364,586,150,490.72/807,106.38
  6. Step 6: Final answer
    x = 451,720.07

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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.