Home / 772,195.43-1,157,476.44-285,564.86

Finding the Fourth Proportional to 772,195.43, 1,157,476.44 and 285,564.86

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Solution

The fourth proportional to 772,195.43, 1,157,476.44 and 285,564.86 is: 428,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,195.43 : 1,157,476.44 = 285,564.86 : x
  2. Step 2: Convert to fraction form
    772,195.43/1,157,476.44 = 285,564.86/x
  3. Step 3: Cross multiply
    772,195.43x = 1,157,476.44 × 285,564.86
  4. Step 4: Simplify right side
    772,195.43x = 330,534,597,541.90
  5. Step 5: Solve for x
    x = 330,534,597,541.90/772,195.43
  6. Step 6: Final answer
    x = 428,045.27

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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.