Home / 891,003.30-1,336,437.74-283,767.07

Finding the Fourth Proportional to 891,003.30, 1,336,437.74 and 283,767.07

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Solution

The fourth proportional to 891,003.30, 1,336,437.74 and 283,767.07 is: 425,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,003.30 : 1,336,437.74 = 283,767.07 : x
  2. Step 2: Convert to fraction form
    891,003.30/1,336,437.74 = 283,767.07/x
  3. Step 3: Cross multiply
    891,003.30x = 1,336,437.74 × 283,767.07
  4. Step 4: Simplify right side
    891,003.30x = 379,237,021,717.22
  5. Step 5: Solve for x
    x = 379,237,021,717.22/891,003.30
  6. Step 6: Final answer
    x = 425,629.20

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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.