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Finding the Fourth Proportional to 612,679.29, 845,492.73 and 337,031.20

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Solution

The fourth proportional to 612,679.29, 845,492.73 and 337,031.20 is: 465,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,679.29 : 845,492.73 = 337,031.20 : x
  2. Step 2: Convert to fraction form
    612,679.29/845,492.73 = 337,031.20/x
  3. Step 3: Cross multiply
    612,679.29x = 845,492.73 × 337,031.20
  4. Step 4: Simplify right side
    612,679.29x = 284,957,429,383.18
  5. Step 5: Solve for x
    x = 284,957,429,383.18/612,679.29
  6. Step 6: Final answer
    x = 465,100.48

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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.