Home / 901,399.89-1,244,000.94-514,223.84

Finding the Fourth Proportional to 901,399.89, 1,244,000.94 and 514,223.84

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Solution

The fourth proportional to 901,399.89, 1,244,000.94 and 514,223.84 is: 709,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,399.89 : 1,244,000.94 = 514,223.84 : x
  2. Step 2: Convert to fraction form
    901,399.89/1,244,000.94 = 514,223.84/x
  3. Step 3: Cross multiply
    901,399.89x = 1,244,000.94 × 514,223.84
  4. Step 4: Simplify right side
    901,399.89x = 639,694,934,110.41
  5. Step 5: Solve for x
    x = 639,694,934,110.41/901,399.89
  6. Step 6: Final answer
    x = 709,668.31

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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.