Home / 498,230.80-687,588.24-377,180.35

Finding the Fourth Proportional to 498,230.80, 687,588.24 and 377,180.35

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Solution

The fourth proportional to 498,230.80, 687,588.24 and 377,180.35 is: 520,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,230.80 : 687,588.24 = 377,180.35 : x
  2. Step 2: Convert to fraction form
    498,230.80/687,588.24 = 377,180.35/x
  3. Step 3: Cross multiply
    498,230.80x = 687,588.24 × 377,180.35
  4. Step 4: Simplify right side
    498,230.80x = 259,344,772,714.54
  5. Step 5: Solve for x
    x = 259,344,772,714.54/498,230.80
  6. Step 6: Final answer
    x = 520,531.40

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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.