Home / 901,186.88-1,243,553.48-538,538.56

Finding the Fourth Proportional to 901,186.88, 1,243,553.48 and 538,538.56

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Solution

The fourth proportional to 901,186.88, 1,243,553.48 and 538,538.56 is: 743,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,186.88 : 1,243,553.48 = 538,538.56 : x
  2. Step 2: Convert to fraction form
    901,186.88/1,243,553.48 = 538,538.56/x
  3. Step 3: Cross multiply
    901,186.88x = 1,243,553.48 × 538,538.56
  4. Step 4: Simplify right side
    901,186.88x = 669,701,500,402.19
  5. Step 5: Solve for x
    x = 669,701,500,402.19/901,186.88
  6. Step 6: Final answer
    x = 743,132.77

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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.