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Finding the Fourth Proportional to 505,250.70, 754,176.72 and 445,465.14

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Solution

The fourth proportional to 505,250.70, 754,176.72 and 445,465.14 is: 664,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,250.70 : 754,176.72 = 445,465.14 : x
  2. Step 2: Convert to fraction form
    505,250.70/754,176.72 = 445,465.14/x
  3. Step 3: Cross multiply
    505,250.70x = 754,176.72 × 445,465.14
  4. Step 4: Simplify right side
    505,250.70x = 335,959,438,159.54
  5. Step 5: Solve for x
    x = 335,959,438,159.54/505,250.70
  6. Step 6: Final answer
    x = 664,936.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.