Home / 901,256.98-1,243,736.19-493,359.07

Finding the Fourth Proportional to 901,256.98, 1,243,736.19 and 493,359.07

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Solution

The fourth proportional to 901,256.98, 1,243,736.19 and 493,359.07 is: 680,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,256.98 : 1,243,736.19 = 493,359.07 : x
  2. Step 2: Convert to fraction form
    901,256.98/1,243,736.19 = 493,359.07/x
  3. Step 3: Cross multiply
    901,256.98x = 1,243,736.19 × 493,359.07
  4. Step 4: Simplify right side
    901,256.98x = 613,608,530,023.74
  5. Step 5: Solve for x
    x = 613,608,530,023.74/901,256.98
  6. Step 6: Final answer
    x = 680,836.37

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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.