Home / 851,623.44-1,175,200.76-488,791.92

Finding the Fourth Proportional to 851,623.44, 1,175,200.76 and 488,791.92

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Solution

The fourth proportional to 851,623.44, 1,175,200.76 and 488,791.92 is: 674,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,623.44 : 1,175,200.76 = 488,791.92 : x
  2. Step 2: Convert to fraction form
    851,623.44/1,175,200.76 = 488,791.92/x
  3. Step 3: Cross multiply
    851,623.44x = 1,175,200.76 × 488,791.92
  4. Step 4: Simplify right side
    851,623.44x = 574,428,635,865.86
  5. Step 5: Solve for x
    x = 574,428,635,865.86/851,623.44
  6. Step 6: Final answer
    x = 674,510.13

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1.5x scale

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.