Home / 501,249.48-691,660.35-286,403.46

Finding the Fourth Proportional to 501,249.48, 691,660.35 and 286,403.46

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Solution

The fourth proportional to 501,249.48, 691,660.35 and 286,403.46 is: 395,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,249.48 : 691,660.35 = 286,403.46 : x
  2. Step 2: Convert to fraction form
    501,249.48/691,660.35 = 286,403.46/x
  3. Step 3: Cross multiply
    501,249.48x = 691,660.35 × 286,403.46
  4. Step 4: Simplify right side
    501,249.48x = 198,093,917,384.81
  5. Step 5: Solve for x
    x = 198,093,917,384.81/501,249.48
  6. Step 6: Final answer
    x = 395,200.25

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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.