Home / 872,744.94-1,204,395.48-490,768.38

Finding the Fourth Proportional to 872,744.94, 1,204,395.48 and 490,768.38

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Solution

The fourth proportional to 872,744.94, 1,204,395.48 and 490,768.38 is: 677,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,744.94 : 1,204,395.48 = 490,768.38 : x
  2. Step 2: Convert to fraction form
    872,744.94/1,204,395.48 = 490,768.38/x
  3. Step 3: Cross multiply
    872,744.94x = 1,204,395.48 × 490,768.38
  4. Step 4: Simplify right side
    872,744.94x = 591,079,218,598.92
  5. Step 5: Solve for x
    x = 591,079,218,598.92/872,744.94
  6. Step 6: Final answer
    x = 677,264.56

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Double scale
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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.