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Finding the Fourth Proportional to 456,960, 630,604.80 and 255,757.44

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Solution

The fourth proportional to 456,960, 630,604.80 and 255,757.44 is: 352,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,960 : 630,604.80 = 255,757.44 : x
  2. Step 2: Convert to fraction form
    456,960/630,604.80 = 255,757.44/x
  3. Step 3: Cross multiply
    456,960x = 630,604.80 × 255,757.44
  4. Step 4: Simplify right side
    456,960x = 161,281,869,299.71
  5. Step 5: Solve for x
    x = 161,281,869,299.71/456,960
  6. Step 6: Final answer
    x = 352,945.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.