Home / 790,185.96-1,090,456.60-427,609.81

Finding the Fourth Proportional to 790,185.96, 1,090,456.60 and 427,609.81

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Solution

The fourth proportional to 790,185.96, 1,090,456.60 and 427,609.81 is: 590,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,185.96 : 1,090,456.60 = 427,609.81 : x
  2. Step 2: Convert to fraction form
    790,185.96/1,090,456.60 = 427,609.81/x
  3. Step 3: Cross multiply
    790,185.96x = 1,090,456.60 × 427,609.81
  4. Step 4: Simplify right side
    790,185.96x = 466,289,937,401.20
  5. Step 5: Solve for x
    x = 466,289,937,401.20/790,185.96
  6. Step 6: Final answer
    x = 590,101.53

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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.