Home / 800,045.51-1,200,036.24-440,928.25

Finding the Fourth Proportional to 800,045.51, 1,200,036.24 and 440,928.25

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Solution

The fourth proportional to 800,045.51, 1,200,036.24 and 440,928.25 is: 661,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,045.51 : 1,200,036.24 = 440,928.25 : x
  2. Step 2: Convert to fraction form
    800,045.51/1,200,036.24 = 440,928.25/x
  3. Step 3: Cross multiply
    800,045.51x = 1,200,036.24 × 440,928.25
  4. Step 4: Simplify right side
    800,045.51x = 529,129,876,239.69
  5. Step 5: Solve for x
    x = 529,129,876,239.69/800,045.51
  6. Step 6: Final answer
    x = 661,374.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.