Home / 871,319.82-1,307,060.37-338,881.26

Finding the Fourth Proportional to 871,319.82, 1,307,060.37 and 338,881.26

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Solution

The fourth proportional to 871,319.82, 1,307,060.37 and 338,881.26 is: 508,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,319.82 : 1,307,060.37 = 338,881.26 : x
  2. Step 2: Convert to fraction form
    871,319.82/1,307,060.37 = 338,881.26/x
  3. Step 3: Cross multiply
    871,319.82x = 1,307,060.37 × 338,881.26
  4. Step 4: Simplify right side
    871,319.82x = 442,938,265,081.67
  5. Step 5: Solve for x
    x = 442,938,265,081.67/871,319.82
  6. Step 6: Final answer
    x = 508,353.25

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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.