Home / 759.03-1,047.29-510.81

Finding the Fourth Proportional to 759.03, 1,047.29 and 510.81

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Solution

The fourth proportional to 759.03, 1,047.29 and 510.81 is: 704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.03 : 1,047.29 = 510.81 : x
  2. Step 2: Convert to fraction form
    759.03/1,047.29 = 510.81/x
  3. Step 3: Cross multiply
    759.03x = 1,047.29 × 510.81
  4. Step 4: Simplify right side
    759.03x = 534,963.65
  5. Step 5: Solve for x
    x = 534,963.65/759.03
  6. Step 6: Final answer
    x = 704.80

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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.