Home / 680,051.52-1,020,079.08-324,984.78

Finding the Fourth Proportional to 680,051.52, 1,020,079.08 and 324,984.78

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Solution

The fourth proportional to 680,051.52, 1,020,079.08 and 324,984.78 is: 487,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,051.52 : 1,020,079.08 = 324,984.78 : x
  2. Step 2: Convert to fraction form
    680,051.52/1,020,079.08 = 324,984.78/x
  3. Step 3: Cross multiply
    680,051.52x = 1,020,079.08 × 324,984.78
  4. Step 4: Simplify right side
    680,051.52x = 331,510,175,396.40
  5. Step 5: Solve for x
    x = 331,510,175,396.40/680,051.52
  6. Step 6: Final answer
    x = 487,478.03

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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.