Home / 697.03-1,044.93-512.35

Finding the Fourth Proportional to 697.03, 1,044.93 and 512.35

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Solution

The fourth proportional to 697.03, 1,044.93 and 512.35 is: 768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.03 : 1,044.93 = 512.35 : x
  2. Step 2: Convert to fraction form
    697.03/1,044.93 = 512.35/x
  3. Step 3: Cross multiply
    697.03x = 1,044.93 × 512.35
  4. Step 4: Simplify right side
    697.03x = 535,369.89
  5. Step 5: Solve for x
    x = 535,369.89/697.03
  6. Step 6: Final answer
    x = 768.07

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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.