Home / 772,997.32-1,159,826.46-399,282.76

Finding the Fourth Proportional to 772,997.32, 1,159,826.46 and 399,282.76

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Solution

The fourth proportional to 772,997.32, 1,159,826.46 and 399,282.76 is: 599,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,997.32 : 1,159,826.46 = 399,282.76 : x
  2. Step 2: Convert to fraction form
    772,997.32/1,159,826.46 = 399,282.76/x
  3. Step 3: Cross multiply
    772,997.32x = 1,159,826.46 × 399,282.76
  4. Step 4: Simplify right side
    772,997.32x = 463,098,707,170.26
  5. Step 5: Solve for x
    x = 463,098,707,170.26/772,997.32
  6. Step 6: Final answer
    x = 599,094.84

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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.