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Finding the Fourth Proportional to 456,772.95, 630,330.57 and 252,824.27

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Solution

The fourth proportional to 456,772.95, 630,330.57 and 252,824.27 is: 348,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,772.95 : 630,330.57 = 252,824.27 : x
  2. Step 2: Convert to fraction form
    456,772.95/630,330.57 = 252,824.27/x
  3. Step 3: Cross multiply
    456,772.95x = 630,330.57 × 252,824.27
  4. Step 4: Simplify right side
    456,772.95x = 159,362,863,067.28
  5. Step 5: Solve for x
    x = 159,362,863,067.28/456,772.95
  6. Step 6: Final answer
    x = 348,888.57

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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.