Home / 437,334.80-656,261.40-288,003.20

Finding the Fourth Proportional to 437,334.80, 656,261.40 and 288,003.20

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Solution

The fourth proportional to 437,334.80, 656,261.40 and 288,003.20 is: 432,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,334.80 : 656,261.40 = 288,003.20 : x
  2. Step 2: Convert to fraction form
    437,334.80/656,261.40 = 288,003.20/x
  3. Step 3: Cross multiply
    437,334.80x = 656,261.40 × 288,003.20
  4. Step 4: Simplify right side
    437,334.80x = 189,005,383,236.48
  5. Step 5: Solve for x
    x = 189,005,383,236.48/437,334.80
  6. Step 6: Final answer
    x = 432,175.49

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1.5x scale

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.