Home / 628,393.72-867,198.84-341,929.52

Finding the Fourth Proportional to 628,393.72, 867,198.84 and 341,929.52

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Solution

The fourth proportional to 628,393.72, 867,198.84 and 341,929.52 is: 471,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,393.72 : 867,198.84 = 341,929.52 : x
  2. Step 2: Convert to fraction form
    628,393.72/867,198.84 = 341,929.52/x
  3. Step 3: Cross multiply
    628,393.72x = 867,198.84 × 341,929.52
  4. Step 4: Simplify right side
    628,393.72x = 296,520,883,105.76
  5. Step 5: Solve for x
    x = 296,520,883,105.76/628,393.72
  6. Step 6: Final answer
    x = 471,871.18

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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.