Home / 755,464.73-1,133,663.66-306,189.32

Finding the Fourth Proportional to 755,464.73, 1,133,663.66 and 306,189.32

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Solution

The fourth proportional to 755,464.73, 1,133,663.66 and 306,189.32 is: 459,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,464.73 : 1,133,663.66 = 306,189.32 : x
  2. Step 2: Convert to fraction form
    755,464.73/1,133,663.66 = 306,189.32/x
  3. Step 3: Cross multiply
    755,464.73x = 1,133,663.66 × 306,189.32
  4. Step 4: Simplify right side
    755,464.73x = 347,115,703,633.17
  5. Step 5: Solve for x
    x = 347,115,703,633.17/755,464.73
  6. Step 6: Final answer
    x = 459,473.08

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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.