Home / 628,732.08-867,650.37-342,254.32

Finding the Fourth Proportional to 628,732.08, 867,650.37 and 342,254.32

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Solution

The fourth proportional to 628,732.08, 867,650.37 and 342,254.32 is: 472,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,732.08 : 867,650.37 = 342,254.32 : x
  2. Step 2: Convert to fraction form
    628,732.08/867,650.37 = 342,254.32/x
  3. Step 3: Cross multiply
    628,732.08x = 867,650.37 × 342,254.32
  4. Step 4: Simplify right side
    628,732.08x = 296,957,085,212.97
  5. Step 5: Solve for x
    x = 296,957,085,212.97/628,732.08
  6. Step 6: Final answer
    x = 472,311.01

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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.