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Finding the Fourth Proportional to 653,607.30, 980,216.55 and 254,018.10

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Solution

The fourth proportional to 653,607.30, 980,216.55 and 254,018.10 is: 380,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,607.30 : 980,216.55 = 254,018.10 : x
  2. Step 2: Convert to fraction form
    653,607.30/980,216.55 = 254,018.10/x
  3. Step 3: Cross multiply
    653,607.30x = 980,216.55 × 254,018.10
  4. Step 4: Simplify right side
    653,607.30x = 248,992,745,619.56
  5. Step 5: Solve for x
    x = 248,992,745,619.56/653,607.30
  6. Step 6: Final answer
    x = 380,951.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.