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Finding the Fourth Proportional to 720,477.52, 1,080,133 and 300,068.08

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Solution

The fourth proportional to 720,477.52, 1,080,133 and 300,068.08 is: 449,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,477.52 : 1,080,133 = 300,068.08 : x
  2. Step 2: Convert to fraction form
    720,477.52/1,080,133 = 300,068.08/x
  3. Step 3: Cross multiply
    720,477.52x = 1,080,133 × 300,068.08
  4. Step 4: Simplify right side
    720,477.52x = 324,113,435,454.64
  5. Step 5: Solve for x
    x = 324,113,435,454.64/720,477.52
  6. Step 6: Final answer
    x = 449,859.19

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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.