Home / 725,790.11-1,001,533.61-403,480.58

Finding the Fourth Proportional to 725,790.11, 1,001,533.61 and 403,480.58

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Solution

The fourth proportional to 725,790.11, 1,001,533.61 and 403,480.58 is: 556,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,790.11 : 1,001,533.61 = 403,480.58 : x
  2. Step 2: Convert to fraction form
    725,790.11/1,001,533.61 = 403,480.58/x
  3. Step 3: Cross multiply
    725,790.11x = 1,001,533.61 × 403,480.58
  4. Step 4: Simplify right side
    725,790.11x = 404,099,357,853.33
  5. Step 5: Solve for x
    x = 404,099,357,853.33/725,790.11
  6. Step 6: Final answer
    x = 556,771.65

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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.