Home / 628,332.72-867,110.04-341,854.80

Finding the Fourth Proportional to 628,332.72, 867,110.04 and 341,854.80

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Solution

The fourth proportional to 628,332.72, 867,110.04 and 341,854.80 is: 471,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,332.72 : 867,110.04 = 341,854.80 : x
  2. Step 2: Convert to fraction form
    628,332.72/867,110.04 = 341,854.80/x
  3. Step 3: Cross multiply
    628,332.72x = 867,110.04 × 341,854.80
  4. Step 4: Simplify right side
    628,332.72x = 296,425,729,302.19
  5. Step 5: Solve for x
    x = 296,425,729,302.19/628,332.72
  6. Step 6: Final answer
    x = 471,765.55

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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.