Home / 454,525.20-680,475.60-277,378.20

Finding the Fourth Proportional to 454,525.20, 680,475.60 and 277,378.20

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Solution

The fourth proportional to 454,525.20, 680,475.60 and 277,378.20 is: 415,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,525.20 : 680,475.60 = 277,378.20 : x
  2. Step 2: Convert to fraction form
    454,525.20/680,475.60 = 277,378.20/x
  3. Step 3: Cross multiply
    454,525.20x = 680,475.60 × 277,378.20
  4. Step 4: Simplify right side
    454,525.20x = 188,749,097,071.92
  5. Step 5: Solve for x
    x = 188,749,097,071.92/454,525.20
  6. Step 6: Final answer
    x = 415,266.52

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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.