Home / 806,325.27-1,208,412.98-300,376.79

Finding the Fourth Proportional to 806,325.27, 1,208,412.98 and 300,376.79

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Solution

The fourth proportional to 806,325.27, 1,208,412.98 and 300,376.79 is: 450,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,325.27 : 1,208,412.98 = 300,376.79 : x
  2. Step 2: Convert to fraction form
    806,325.27/1,208,412.98 = 300,376.79/x
  3. Step 3: Cross multiply
    806,325.27x = 1,208,412.98 × 300,376.79
  4. Step 4: Simplify right side
    806,325.27x = 362,979,210,040.75
  5. Step 5: Solve for x
    x = 362,979,210,040.75/806,325.27
  6. Step 6: Final answer
    x = 450,164.75

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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.