Home / 628,450.88-867,248.04-341,971.76

Finding the Fourth Proportional to 628,450.88, 867,248.04 and 341,971.76

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Solution

The fourth proportional to 628,450.88, 867,248.04 and 341,971.76 is: 471,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,450.88 : 867,248.04 = 341,971.76 : x
  2. Step 2: Convert to fraction form
    628,450.88/867,248.04 = 341,971.76/x
  3. Step 3: Cross multiply
    628,450.88x = 867,248.04 × 341,971.76
  4. Step 4: Simplify right side
    628,450.88x = 296,574,338,595.35
  5. Step 5: Solve for x
    x = 296,574,338,595.35/628,450.88
  6. Step 6: Final answer
    x = 471,913.32

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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.