Home / 535,279.05-738,683.96-308,924.55

Finding the Fourth Proportional to 535,279.05, 738,683.96 and 308,924.55

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Solution

The fourth proportional to 535,279.05, 738,683.96 and 308,924.55 is: 426,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,279.05 : 738,683.96 = 308,924.55 : x
  2. Step 2: Convert to fraction form
    535,279.05/738,683.96 = 308,924.55/x
  3. Step 3: Cross multiply
    535,279.05x = 738,683.96 × 308,924.55
  4. Step 4: Simplify right side
    535,279.05x = 228,197,608,390.60
  5. Step 5: Solve for x
    x = 228,197,608,390.60/535,279.05
  6. Step 6: Final answer
    x = 426,315.22

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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.