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Finding the Fourth Proportional to 456,953.13, 630,574.74 and 252,989.73

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Solution

The fourth proportional to 456,953.13, 630,574.74 and 252,989.73 is: 349,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,953.13 : 630,574.74 = 252,989.73 : x
  2. Step 2: Convert to fraction form
    456,953.13/630,574.74 = 252,989.73/x
  3. Step 3: Cross multiply
    456,953.13x = 630,574.74 × 252,989.73
  4. Step 4: Simplify right side
    456,953.13x = 159,528,933,217.42
  5. Step 5: Solve for x
    x = 159,528,933,217.42/456,953.13
  6. Step 6: Final answer
    x = 349,114.43

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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.