Home / 919,276.45-1,377,963.64-350,504.53

Finding the Fourth Proportional to 919,276.45, 1,377,963.64 and 350,504.53

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Solution

The fourth proportional to 919,276.45, 1,377,963.64 and 350,504.53 is: 525,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,276.45 : 1,377,963.64 = 350,504.53 : x
  2. Step 2: Convert to fraction form
    919,276.45/1,377,963.64 = 350,504.53/x
  3. Step 3: Cross multiply
    919,276.45x = 1,377,963.64 × 350,504.53
  4. Step 4: Simplify right side
    919,276.45x = 482,982,497,995.29
  5. Step 5: Solve for x
    x = 482,982,497,995.29/919,276.45
  6. Step 6: Final answer
    x = 525,394.18

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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.