Home / 901,979.72-1,244,752.12-514,787.37

Finding the Fourth Proportional to 901,979.72, 1,244,752.12 and 514,787.37

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Solution

The fourth proportional to 901,979.72, 1,244,752.12 and 514,787.37 is: 710,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,979.72 : 1,244,752.12 = 514,787.37 : x
  2. Step 2: Convert to fraction form
    901,979.72/1,244,752.12 = 514,787.37/x
  3. Step 3: Cross multiply
    901,979.72x = 1,244,752.12 × 514,787.37
  4. Step 4: Simplify right side
    901,979.72x = 640,782,668,141.85
  5. Step 5: Solve for x
    x = 640,782,668,141.85/901,979.72
  6. Step 6: Final answer
    x = 710,418.04

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1.5x scale

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.