Home / 901,983.79-1,244,757.73-514,791.50

Finding the Fourth Proportional to 901,983.79, 1,244,757.73 and 514,791.50

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Solution

The fourth proportional to 901,983.79, 1,244,757.73 and 514,791.50 is: 710,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,983.79 : 1,244,757.73 = 514,791.50 : x
  2. Step 2: Convert to fraction form
    901,983.79/1,244,757.73 = 514,791.50/x
  3. Step 3: Cross multiply
    901,983.79x = 1,244,757.73 × 514,791.50
  4. Step 4: Simplify right side
    901,983.79x = 640,790,698,963.30
  5. Step 5: Solve for x
    x = 640,790,698,963.30/901,983.79
  6. Step 6: Final answer
    x = 710,423.74

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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.