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Finding the Fourth Proportional to 456,797.60, 630,360.24 and 252,856.16

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Solution

The fourth proportional to 456,797.60, 630,360.24 and 252,856.16 is: 348,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,797.60 : 630,360.24 = 252,856.16 : x
  2. Step 2: Convert to fraction form
    456,797.60/630,360.24 = 252,856.16/x
  3. Step 3: Cross multiply
    456,797.60x = 630,360.24 × 252,856.16
  4. Step 4: Simplify right side
    456,797.60x = 159,390,469,703.08
  5. Step 5: Solve for x
    x = 159,390,469,703.08/456,797.60
  6. Step 6: Final answer
    x = 348,930.18

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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.