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Finding the Fourth Proportional to 505,804.65, 756,475.02 and 450,036.15

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Solution

The fourth proportional to 505,804.65, 756,475.02 and 450,036.15 is: 673,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,804.65 : 756,475.02 = 450,036.15 : x
  2. Step 2: Convert to fraction form
    505,804.65/756,475.02 = 450,036.15/x
  3. Step 3: Cross multiply
    505,804.65x = 756,475.02 × 450,036.15
  4. Step 4: Simplify right side
    505,804.65x = 340,441,105,571.97
  5. Step 5: Solve for x
    x = 340,441,105,571.97/505,804.65
  6. Step 6: Final answer
    x = 673,068.36

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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.