Home / 871,698.27-1,307,560.54-331,984.39

Finding the Fourth Proportional to 871,698.27, 1,307,560.54 and 331,984.39

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Solution

The fourth proportional to 871,698.27, 1,307,560.54 and 331,984.39 is: 497,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,698.27 : 1,307,560.54 = 331,984.39 : x
  2. Step 2: Convert to fraction form
    871,698.27/1,307,560.54 = 331,984.39/x
  3. Step 3: Cross multiply
    871,698.27x = 1,307,560.54 × 331,984.39
  4. Step 4: Simplify right side
    871,698.27x = 434,089,687,235.26
  5. Step 5: Solve for x
    x = 434,089,687,235.26/871,698.27
  6. Step 6: Final answer
    x = 497,981.58

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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.