Home / 871,342.82-1,307,094.87-338,904.26

Finding the Fourth Proportional to 871,342.82, 1,307,094.87 and 338,904.26

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Solution

The fourth proportional to 871,342.82, 1,307,094.87 and 338,904.26 is: 508,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,342.82 : 1,307,094.87 = 338,904.26 : x
  2. Step 2: Convert to fraction form
    871,342.82/1,307,094.87 = 338,904.26/x
  3. Step 3: Cross multiply
    871,342.82x = 1,307,094.87 × 338,904.26
  4. Step 4: Simplify right side
    871,342.82x = 442,980,019,667.15
  5. Step 5: Solve for x
    x = 442,980,019,667.15/871,342.82
  6. Step 6: Final answer
    x = 508,387.75

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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.