Home / 901,730.70-1,244,086.26-519,749.28

Finding the Fourth Proportional to 901,730.70, 1,244,086.26 and 519,749.28

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Solution

The fourth proportional to 901,730.70, 1,244,086.26 and 519,749.28 is: 717,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,730.70 : 1,244,086.26 = 519,749.28 : x
  2. Step 2: Convert to fraction form
    901,730.70/1,244,086.26 = 519,749.28/x
  3. Step 3: Cross multiply
    901,730.70x = 1,244,086.26 × 519,749.28
  4. Step 4: Simplify right side
    901,730.70x = 646,612,937,892.89
  5. Step 5: Solve for x
    x = 646,612,937,892.89/901,730.70
  6. Step 6: Final answer
    x = 717,079.88

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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.