Home / 437,899.20-656,848.80-248,286.30

Finding the Fourth Proportional to 437,899.20, 656,848.80 and 248,286.30

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Solution

The fourth proportional to 437,899.20, 656,848.80 and 248,286.30 is: 372,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,899.20 : 656,848.80 = 248,286.30 : x
  2. Step 2: Convert to fraction form
    437,899.20/656,848.80 = 248,286.30/x
  3. Step 3: Cross multiply
    437,899.20x = 656,848.80 × 248,286.30
  4. Step 4: Simplify right side
    437,899.20x = 163,086,558,211.44
  5. Step 5: Solve for x
    x = 163,086,558,211.44/437,899.20
  6. Step 6: Final answer
    x = 372,429.45

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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.