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Finding the Fourth Proportional to 440,656.38, 608,114.79 and 239,465.34

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Solution

The fourth proportional to 440,656.38, 608,114.79 and 239,465.34 is: 330,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,656.38 : 608,114.79 = 239,465.34 : x
  2. Step 2: Convert to fraction form
    440,656.38/608,114.79 = 239,465.34/x
  3. Step 3: Cross multiply
    440,656.38x = 608,114.79 × 239,465.34
  4. Step 4: Simplify right side
    440,656.38x = 145,622,414,946.38
  5. Step 5: Solve for x
    x = 145,622,414,946.38/440,656.38
  6. Step 6: Final answer
    x = 330,467.05

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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.