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Finding the Fourth Proportional to 456,954.76, 630,605.94 and 255,750.28

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Solution

The fourth proportional to 456,954.76, 630,605.94 and 255,750.28 is: 352,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,954.76 : 630,605.94 = 255,750.28 : x
  2. Step 2: Convert to fraction form
    456,954.76/630,605.94 = 255,750.28/x
  3. Step 3: Cross multiply
    456,954.76x = 630,605.94 × 255,750.28
  4. Step 4: Simplify right side
    456,954.76x = 161,277,645,724.66
  5. Step 5: Solve for x
    x = 161,277,645,724.66/456,954.76
  6. Step 6: Final answer
    x = 352,940.07

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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.