Home / 412,058.23-616,979.95-261,483.28

Finding the Fourth Proportional to 412,058.23, 616,979.95 and 261,483.28

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Solution

The fourth proportional to 412,058.23, 616,979.95 and 261,483.28 is: 391,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,058.23 : 616,979.95 = 261,483.28 : x
  2. Step 2: Convert to fraction form
    412,058.23/616,979.95 = 261,483.28/x
  3. Step 3: Cross multiply
    412,058.23x = 616,979.95 × 261,483.28
  4. Step 4: Simplify right side
    412,058.23x = 161,329,938,824.08
  5. Step 5: Solve for x
    x = 161,329,938,824.08/412,058.23
  6. Step 6: Final answer
    x = 391,522.19

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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.