Home / 676,768.58-1,015,215.50-221,362.40

Finding the Fourth Proportional to 676,768.58, 1,015,215.50 and 221,362.40

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Solution

The fourth proportional to 676,768.58, 1,015,215.50 and 221,362.40 is: 332,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,768.58 : 1,015,215.50 = 221,362.40 : x
  2. Step 2: Convert to fraction form
    676,768.58/1,015,215.50 = 221,362.40/x
  3. Step 3: Cross multiply
    676,768.58x = 1,015,215.50 × 221,362.40
  4. Step 4: Simplify right side
    676,768.58x = 224,730,535,074.53
  5. Step 5: Solve for x
    x = 224,730,535,074.53/676,768.58
  6. Step 6: Final answer
    x = 332,064.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.