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Finding the Fourth Proportional to 440,466.40, 660,699.60 and 307,606.15

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Solution

The fourth proportional to 440,466.40, 660,699.60 and 307,606.15 is: 461,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,466.40 : 660,699.60 = 307,606.15 : x
  2. Step 2: Convert to fraction form
    440,466.40/660,699.60 = 307,606.15/x
  3. Step 3: Cross multiply
    440,466.40x = 660,699.60 × 307,606.15
  4. Step 4: Simplify right side
    440,466.40x = 203,235,260,262.54
  5. Step 5: Solve for x
    x = 203,235,260,262.54/440,466.40
  6. Step 6: Final answer
    x = 461,409.23

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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.