Home / 901,198.24-1,243,653.34-493,300.87

Finding the Fourth Proportional to 901,198.24, 1,243,653.34 and 493,300.87

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Solution

The fourth proportional to 901,198.24, 1,243,653.34 and 493,300.87 is: 680,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,198.24 : 1,243,653.34 = 493,300.87 : x
  2. Step 2: Convert to fraction form
    901,198.24/1,243,653.34 = 493,300.87/x
  3. Step 3: Cross multiply
    901,198.24x = 1,243,653.34 × 493,300.87
  4. Step 4: Simplify right side
    901,198.24x = 613,495,274,600.41
  5. Step 5: Solve for x
    x = 613,495,274,600.41/901,198.24
  6. Step 6: Final answer
    x = 680,755.07

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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.