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Finding the Fourth Proportional to 673,152, 928,967.34 and 367,233.36

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Solution

The fourth proportional to 673,152, 928,967.34 and 367,233.36 is: 506,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,152 : 928,967.34 = 367,233.36 : x
  2. Step 2: Convert to fraction form
    673,152/928,967.34 = 367,233.36/x
  3. Step 3: Cross multiply
    673,152x = 928,967.34 × 367,233.36
  4. Step 4: Simplify right side
    673,152x = 341,147,797,598.46
  5. Step 5: Solve for x
    x = 341,147,797,598.46/673,152
  6. Step 6: Final answer
    x = 506,791.63

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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.