Home / 535,467.87-738,941.29-290,452.02

Finding the Fourth Proportional to 535,467.87, 738,941.29 and 290,452.02

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Solution

The fourth proportional to 535,467.87, 738,941.29 and 290,452.02 is: 400,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,467.87 : 738,941.29 = 290,452.02 : x
  2. Step 2: Convert to fraction form
    535,467.87/738,941.29 = 290,452.02/x
  3. Step 3: Cross multiply
    535,467.87x = 738,941.29 × 290,452.02
  4. Step 4: Simplify right side
    535,467.87x = 214,626,985,194.94
  5. Step 5: Solve for x
    x = 214,626,985,194.94/535,467.87
  6. Step 6: Final answer
    x = 400,821.41

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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.