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Finding the Fourth Proportional to 440,415.30, 660,622.95 and 366,932.10

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Solution

The fourth proportional to 440,415.30, 660,622.95 and 366,932.10 is: 550,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,415.30 : 660,622.95 = 366,932.10 : x
  2. Step 2: Convert to fraction form
    440,415.30/660,622.95 = 366,932.10/x
  3. Step 3: Cross multiply
    440,415.30x = 660,622.95 × 366,932.10
  4. Step 4: Simplify right side
    440,415.30x = 242,403,766,351.70
  5. Step 5: Solve for x
    x = 242,403,766,351.70/440,415.30
  6. Step 6: Final answer
    x = 550,398.15

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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.