Home / 900,719.48-1,350,866.97-331,791.63

Finding the Fourth Proportional to 900,719.48, 1,350,866.97 and 331,791.63

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Solution

The fourth proportional to 900,719.48, 1,350,866.97 and 331,791.63 is: 497,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,719.48 : 1,350,866.97 = 331,791.63 : x
  2. Step 2: Convert to fraction form
    900,719.48/1,350,866.97 = 331,791.63/x
  3. Step 3: Cross multiply
    900,719.48x = 1,350,866.97 × 331,791.63
  4. Step 4: Simplify right side
    900,719.48x = 448,206,353,889.46
  5. Step 5: Solve for x
    x = 448,206,353,889.46/900,719.48
  6. Step 6: Final answer
    x = 497,609.26

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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.