Home / 680,890.88-1,021,566.36-301,759.76

Finding the Fourth Proportional to 680,890.88, 1,021,566.36 and 301,759.76

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Solution

The fourth proportional to 680,890.88, 1,021,566.36 and 301,759.76 is: 452,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,890.88 : 1,021,566.36 = 301,759.76 : x
  2. Step 2: Convert to fraction form
    680,890.88/1,021,566.36 = 301,759.76/x
  3. Step 3: Cross multiply
    680,890.88x = 1,021,566.36 × 301,759.76
  4. Step 4: Simplify right side
    680,890.88x = 308,267,619,617.67
  5. Step 5: Solve for x
    x = 308,267,619,617.67/680,890.88
  6. Step 6: Final answer
    x = 452,741.59

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1.5x scale

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.