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Finding the Fourth Proportional to 615,480.59, 848,346.41 and 411,456.98

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Solution

The fourth proportional to 615,480.59, 848,346.41 and 411,456.98 is: 567,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,480.59 : 848,346.41 = 411,456.98 : x
  2. Step 2: Convert to fraction form
    615,480.59/848,346.41 = 411,456.98/x
  3. Step 3: Cross multiply
    615,480.59x = 848,346.41 × 411,456.98
  4. Step 4: Simplify right side
    615,480.59x = 349,058,055,001.95
  5. Step 5: Solve for x
    x = 349,058,055,001.95/615,480.59
  6. Step 6: Final answer
    x = 567,130.89

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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.