Home / 889,102.52-1,226,950.86-481,194.72

Finding the Fourth Proportional to 889,102.52, 1,226,950.86 and 481,194.72

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Solution

The fourth proportional to 889,102.52, 1,226,950.86 and 481,194.72 is: 664,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,102.52 : 1,226,950.86 = 481,194.72 : x
  2. Step 2: Convert to fraction form
    889,102.52/1,226,950.86 = 481,194.72/x
  3. Step 3: Cross multiply
    889,102.52x = 1,226,950.86 × 481,194.72
  4. Step 4: Simplify right side
    889,102.52x = 590,402,275,531.46
  5. Step 5: Solve for x
    x = 590,402,275,531.46/889,102.52
  6. Step 6: Final answer
    x = 664,042.97

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Double scale
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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.