Home / 772,115.06-1,157,777.71-322,713.29

Finding the Fourth Proportional to 772,115.06, 1,157,777.71 and 322,713.29

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Solution

The fourth proportional to 772,115.06, 1,157,777.71 and 322,713.29 is: 483,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,115.06 : 1,157,777.71 = 322,713.29 : x
  2. Step 2: Convert to fraction form
    772,115.06/1,157,777.71 = 322,713.29/x
  3. Step 3: Cross multiply
    772,115.06x = 1,157,777.71 × 322,713.29
  4. Step 4: Simplify right side
    772,115.06x = 373,630,253,882.77
  5. Step 5: Solve for x
    x = 373,630,253,882.77/772,115.06
  6. Step 6: Final answer
    x = 483,904.89

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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.