Home / 790,231.88-1,090,520.10-427,655.83

Finding the Fourth Proportional to 790,231.88, 1,090,520.10 and 427,655.83

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Solution

The fourth proportional to 790,231.88, 1,090,520.10 and 427,655.83 is: 590,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,231.88 : 1,090,520.10 = 427,655.83 : x
  2. Step 2: Convert to fraction form
    790,231.88/1,090,520.10 = 427,655.83/x
  3. Step 3: Cross multiply
    790,231.88x = 1,090,520.10 × 427,655.83
  4. Step 4: Simplify right side
    790,231.88x = 466,367,276,358.90
  5. Step 5: Solve for x
    x = 466,367,276,358.90/790,231.88
  6. Step 6: Final answer
    x = 590,165.10

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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.