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Finding the Fourth Proportional to 440,200.20, 660,300.30 and 377,214.60

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Solution

The fourth proportional to 440,200.20, 660,300.30 and 377,214.60 is: 565,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,200.20 : 660,300.30 = 377,214.60 : x
  2. Step 2: Convert to fraction form
    440,200.20/660,300.30 = 377,214.60/x
  3. Step 3: Cross multiply
    440,200.20x = 660,300.30 × 377,214.60
  4. Step 4: Simplify right side
    440,200.20x = 249,074,913,544.38
  5. Step 5: Solve for x
    x = 249,074,913,544.38/440,200.20
  6. Step 6: Final answer
    x = 565,821.90

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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.