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Finding the Fourth Proportional to 440,600.35, 660,900.53 and 417,855.55

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Solution

The fourth proportional to 440,600.35, 660,900.53 and 417,855.55 is: 626,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,600.35 : 660,900.53 = 417,855.55 : x
  2. Step 2: Convert to fraction form
    440,600.35/660,900.53 = 417,855.55/x
  3. Step 3: Cross multiply
    440,600.35x = 660,900.53 × 417,855.55
  4. Step 4: Simplify right side
    440,600.35x = 276,160,952,369.16
  5. Step 5: Solve for x
    x = 276,160,952,369.16/440,600.35
  6. Step 6: Final answer
    x = 626,783.33

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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.