Home / 790,221.42-1,185,103.17-563,697.90

Finding the Fourth Proportional to 790,221.42, 1,185,103.17 and 563,697.90

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Solution

The fourth proportional to 790,221.42, 1,185,103.17 and 563,697.90 is: 845,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,221.42 : 1,185,103.17 = 563,697.90 : x
  2. Step 2: Convert to fraction form
    790,221.42/1,185,103.17 = 563,697.90/x
  3. Step 3: Cross multiply
    790,221.42x = 1,185,103.17 × 563,697.90
  4. Step 4: Simplify right side
    790,221.42x = 668,040,168,212.34
  5. Step 5: Solve for x
    x = 668,040,168,212.34/790,221.42
  6. Step 6: Final answer
    x = 845,383.52

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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.