Home / 945,814.95-1,305,256.14-516,118.66

Finding the Fourth Proportional to 945,814.95, 1,305,256.14 and 516,118.66

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Solution

The fourth proportional to 945,814.95, 1,305,256.14 and 516,118.66 is: 712,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,814.95 : 1,305,256.14 = 516,118.66 : x
  2. Step 2: Convert to fraction form
    945,814.95/1,305,256.14 = 516,118.66/x
  3. Step 3: Cross multiply
    945,814.95x = 1,305,256.14 × 516,118.66
  4. Step 4: Simplify right side
    945,814.95x = 673,667,046,670.43
  5. Step 5: Solve for x
    x = 673,667,046,670.43/945,814.95
  6. Step 6: Final answer
    x = 712,260.94

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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.