Home / 529,266.48-730,383.80-287,551.04

Finding the Fourth Proportional to 529,266.48, 730,383.80 and 287,551.04

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Solution

The fourth proportional to 529,266.48, 730,383.80 and 287,551.04 is: 396,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,266.48 : 730,383.80 = 287,551.04 : x
  2. Step 2: Convert to fraction form
    529,266.48/730,383.80 = 287,551.04/x
  3. Step 3: Cross multiply
    529,266.48x = 730,383.80 × 287,551.04
  4. Step 4: Simplify right side
    529,266.48x = 210,022,618,356.11
  5. Step 5: Solve for x
    x = 210,022,618,356.11/529,266.48
  6. Step 6: Final answer
    x = 396,818.29

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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.