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Finding the Fourth Proportional to 440,340.30, 607,621.50 and 259,110.90

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Solution

The fourth proportional to 440,340.30, 607,621.50 and 259,110.90 is: 357,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,340.30 : 607,621.50 = 259,110.90 : x
  2. Step 2: Convert to fraction form
    440,340.30/607,621.50 = 259,110.90/x
  3. Step 3: Cross multiply
    440,340.30x = 607,621.50 × 259,110.90
  4. Step 4: Simplify right side
    440,340.30x = 157,441,353,724.35
  5. Step 5: Solve for x
    x = 157,441,353,724.35/440,340.30
  6. Step 6: Final answer
    x = 357,544.73

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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.