Home / 774,192.30-1,160,836.47-300,323.94

Finding the Fourth Proportional to 774,192.30, 1,160,836.47 and 300,323.94

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Solution

The fourth proportional to 774,192.30, 1,160,836.47 and 300,323.94 is: 450,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,192.30 : 1,160,836.47 = 300,323.94 : x
  2. Step 2: Convert to fraction form
    774,192.30/1,160,836.47 = 300,323.94/x
  3. Step 3: Cross multiply
    774,192.30x = 1,160,836.47 × 300,323.94
  4. Step 4: Simplify right side
    774,192.30x = 348,626,982,366.09
  5. Step 5: Solve for x
    x = 348,626,982,366.09/774,192.30
  6. Step 6: Final answer
    x = 450,310.58

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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.