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Finding the Fourth Proportional to 804.76, 1,110.92 and 510.48

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Solution

The fourth proportional to 804.76, 1,110.92 and 510.48 is: 704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.76 : 1,110.92 = 510.48 : x
  2. Step 2: Convert to fraction form
    804.76/1,110.92 = 510.48/x
  3. Step 3: Cross multiply
    804.76x = 1,110.92 × 510.48
  4. Step 4: Simplify right side
    804.76x = 567,102.44
  5. Step 5: Solve for x
    x = 567,102.44/804.76
  6. Step 6: Final answer
    x = 704.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.