Home / 628,602.24-867,471.09-342,124.37

Finding the Fourth Proportional to 628,602.24, 867,471.09 and 342,124.37

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Solution

The fourth proportional to 628,602.24, 867,471.09 and 342,124.37 is: 472,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,602.24 : 867,471.09 = 342,124.37 : x
  2. Step 2: Convert to fraction form
    628,602.24/867,471.09 = 342,124.37/x
  3. Step 3: Cross multiply
    628,602.24x = 867,471.09 × 342,124.37
  4. Step 4: Simplify right side
    628,602.24x = 296,782,995,822.11
  5. Step 5: Solve for x
    x = 296,782,995,822.11/628,602.24
  6. Step 6: Final answer
    x = 472,131.62

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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.