Home / 887,682.48-1,331,533.44-256,601.76

Finding the Fourth Proportional to 887,682.48, 1,331,533.44 and 256,601.76

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Solution

The fourth proportional to 887,682.48, 1,331,533.44 and 256,601.76 is: 384,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,682.48 : 1,331,533.44 = 256,601.76 : x
  2. Step 2: Convert to fraction form
    887,682.48/1,331,533.44 = 256,601.76/x
  3. Step 3: Cross multiply
    887,682.48x = 1,331,533.44 × 256,601.76
  4. Step 4: Simplify right side
    887,682.48x = 341,673,824,202.85
  5. Step 5: Solve for x
    x = 341,673,824,202.85/887,682.48
  6. Step 6: Final answer
    x = 384,905.45

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Double scale
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Similar ratio
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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.