Home / 937,913.96-1,294,767.53-628,349.57

Finding the Fourth Proportional to 937,913.96, 1,294,767.53 and 628,349.57

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Solution

The fourth proportional to 937,913.96, 1,294,767.53 and 628,349.57 is: 867,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,913.96 : 1,294,767.53 = 628,349.57 : x
  2. Step 2: Convert to fraction form
    937,913.96/1,294,767.53 = 628,349.57/x
  3. Step 3: Cross multiply
    937,913.96x = 1,294,767.53 × 628,349.57
  4. Step 4: Simplify right side
    937,913.96x = 813,566,611,109.88
  5. Step 5: Solve for x
    x = 813,566,611,109.88/937,913.96
  6. Step 6: Final answer
    x = 867,421.37

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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.