Home / 501,742.47-692,405.06-272,299.79

Finding the Fourth Proportional to 501,742.47, 692,405.06 and 272,299.79

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Solution

The fourth proportional to 501,742.47, 692,405.06 and 272,299.79 is: 375,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,742.47 : 692,405.06 = 272,299.79 : x
  2. Step 2: Convert to fraction form
    501,742.47/692,405.06 = 272,299.79/x
  3. Step 3: Cross multiply
    501,742.47x = 692,405.06 × 272,299.79
  4. Step 4: Simplify right side
    501,742.47x = 188,541,754,334.14
  5. Step 5: Solve for x
    x = 188,541,754,334.14/501,742.47
  6. Step 6: Final answer
    x = 375,773.96

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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.