Home / 945,866.90-1,305,324.02-516,174.72

Finding the Fourth Proportional to 945,866.90, 1,305,324.02 and 516,174.72

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Solution

The fourth proportional to 945,866.90, 1,305,324.02 and 516,174.72 is: 712,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,866.90 : 1,305,324.02 = 516,174.72 : x
  2. Step 2: Convert to fraction form
    945,866.90/1,305,324.02 = 516,174.72/x
  3. Step 3: Cross multiply
    945,866.90x = 1,305,324.02 × 516,174.72
  4. Step 4: Simplify right side
    945,866.90x = 673,775,260,532.77
  5. Step 5: Solve for x
    x = 673,775,260,532.77/945,866.90
  6. Step 6: Final answer
    x = 712,336.23

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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.