Home / 790,190.18-1,090,462.46-427,614.02

Finding the Fourth Proportional to 790,190.18, 1,090,462.46 and 427,614.02

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Solution

The fourth proportional to 790,190.18, 1,090,462.46 and 427,614.02 is: 590,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,190.18 : 1,090,462.46 = 427,614.02 : x
  2. Step 2: Convert to fraction form
    790,190.18/1,090,462.46 = 427,614.02/x
  3. Step 3: Cross multiply
    790,190.18x = 1,090,462.46 × 427,614.02
  4. Step 4: Simplify right side
    790,190.18x = 466,297,036,179.69
  5. Step 5: Solve for x
    x = 466,297,036,179.69/790,190.18
  6. Step 6: Final answer
    x = 590,107.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.