Home / 945,808.30-1,305,246.92-516,112.01

Finding the Fourth Proportional to 945,808.30, 1,305,246.92 and 516,112.01

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Solution

The fourth proportional to 945,808.30, 1,305,246.92 and 516,112.01 is: 712,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,808.30 : 1,305,246.92 = 516,112.01 : x
  2. Step 2: Convert to fraction form
    945,808.30/1,305,246.92 = 516,112.01/x
  3. Step 3: Cross multiply
    945,808.30x = 1,305,246.92 × 516,112.01
  4. Step 4: Simplify right side
    945,808.30x = 673,653,611,427.51
  5. Step 5: Solve for x
    x = 673,653,611,427.51/945,808.30
  6. Step 6: Final answer
    x = 712,251.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.