Home / 710.03-1,064.43-344.31

Finding the Fourth Proportional to 710.03, 1,064.43 and 344.31

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Solution

The fourth proportional to 710.03, 1,064.43 and 344.31 is: 516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.03 : 1,064.43 = 344.31 : x
  2. Step 2: Convert to fraction form
    710.03/1,064.43 = 344.31/x
  3. Step 3: Cross multiply
    710.03x = 1,064.43 × 344.31
  4. Step 4: Simplify right side
    710.03x = 366,493.89
  5. Step 5: Solve for x
    x = 366,493.89/710.03
  6. Step 6: Final answer
    x = 516.17

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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.