Home / 501,386.09-752,308.79-217,163.57

Finding the Fourth Proportional to 501,386.09, 752,308.79 and 217,163.57

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Solution

The fourth proportional to 501,386.09, 752,308.79 and 217,163.57 is: 325,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,386.09 : 752,308.79 = 217,163.57 : x
  2. Step 2: Convert to fraction form
    501,386.09/752,308.79 = 217,163.57/x
  3. Step 3: Cross multiply
    501,386.09x = 752,308.79 × 217,163.57
  4. Step 4: Simplify right side
    501,386.09x = 163,374,059,360.15
  5. Step 5: Solve for x
    x = 163,374,059,360.15/501,386.09
  6. Step 6: Final answer
    x = 325,844.82

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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.