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Finding the Fourth Proportional to 454,857.20, 680,973.60 and 277,710.20

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Solution

The fourth proportional to 454,857.20, 680,973.60 and 277,710.20 is: 415,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,857.20 : 680,973.60 = 277,710.20 : x
  2. Step 2: Convert to fraction form
    454,857.20/680,973.60 = 277,710.20/x
  3. Step 3: Cross multiply
    454,857.20x = 680,973.60 × 277,710.20
  4. Step 4: Simplify right side
    454,857.20x = 189,113,314,650.72
  5. Step 5: Solve for x
    x = 189,113,314,650.72/454,857.20
  6. Step 6: Final answer
    x = 415,764.14

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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.