Home / 628,338.15-867,110.45-341,860.32

Finding the Fourth Proportional to 628,338.15, 867,110.45 and 341,860.32

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Solution

The fourth proportional to 628,338.15, 867,110.45 and 341,860.32 is: 471,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,338.15 : 867,110.45 = 341,860.32 : x
  2. Step 2: Convert to fraction form
    628,338.15/867,110.45 = 341,860.32/x
  3. Step 3: Cross multiply
    628,338.15x = 867,110.45 × 341,860.32
  4. Step 4: Simplify right side
    628,338.15x = 296,430,654,203.04
  5. Step 5: Solve for x
    x = 296,430,654,203.04/628,338.15
  6. Step 6: Final answer
    x = 471,769.31

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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.