Home / 501,610.76-692,221.38-272,167.08

Finding the Fourth Proportional to 501,610.76, 692,221.38 and 272,167.08

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Solution

The fourth proportional to 501,610.76, 692,221.38 and 272,167.08 is: 375,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,610.76 : 692,221.38 = 272,167.08 : x
  2. Step 2: Convert to fraction form
    501,610.76/692,221.38 = 272,167.08/x
  3. Step 3: Cross multiply
    501,610.76x = 692,221.38 × 272,167.08
  4. Step 4: Simplify right side
    501,610.76x = 188,399,871,708.17
  5. Step 5: Solve for x
    x = 188,399,871,708.17/501,610.76
  6. Step 6: Final answer
    x = 375,589.77

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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.