Home / 628,348.46-867,142.48-341,879.42

Finding the Fourth Proportional to 628,348.46, 867,142.48 and 341,879.42

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Solution

The fourth proportional to 628,348.46, 867,142.48 and 341,879.42 is: 471,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,348.46 : 867,142.48 = 341,879.42 : x
  2. Step 2: Convert to fraction form
    628,348.46/867,142.48 = 341,879.42/x
  3. Step 3: Cross multiply
    628,348.46x = 867,142.48 × 341,879.42
  4. Step 4: Simplify right side
    628,348.46x = 296,458,168,119.76
  5. Step 5: Solve for x
    x = 296,458,168,119.76/628,348.46
  6. Step 6: Final answer
    x = 471,805.35

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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.