Home / 529,197.12-730,297.08-287,481.51

Finding the Fourth Proportional to 529,197.12, 730,297.08 and 287,481.51

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Solution

The fourth proportional to 529,197.12, 730,297.08 and 287,481.51 is: 396,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,197.12 : 730,297.08 = 287,481.51 : x
  2. Step 2: Convert to fraction form
    529,197.12/730,297.08 = 287,481.51/x
  3. Step 3: Cross multiply
    529,197.12x = 730,297.08 × 287,481.51
  4. Step 4: Simplify right side
    529,197.12x = 209,946,907,306.99
  5. Step 5: Solve for x
    x = 209,946,907,306.99/529,197.12
  6. Step 6: Final answer
    x = 396,727.23

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1.5x scale

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.