Home / 1,065.02-1,595.21-516.05

Finding the Fourth Proportional to 1,065.02, 1,595.21 and 516.05

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Solution

The fourth proportional to 1,065.02, 1,595.21 and 516.05 is: 772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.02 : 1,595.21 = 516.05 : x
  2. Step 2: Convert to fraction form
    1,065.02/1,595.21 = 516.05/x
  3. Step 3: Cross multiply
    1,065.02x = 1,595.21 × 516.05
  4. Step 4: Simplify right side
    1,065.02x = 823,206.07
  5. Step 5: Solve for x
    x = 823,206.07/1,065.02
  6. Step 6: Final answer
    x = 772.95

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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.