Home / 503,180.08-694,487.76-288,464.32

Finding the Fourth Proportional to 503,180.08, 694,487.76 and 288,464.32

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Solution

The fourth proportional to 503,180.08, 694,487.76 and 288,464.32 is: 398,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,180.08 : 694,487.76 = 288,464.32 : x
  2. Step 2: Convert to fraction form
    503,180.08/694,487.76 = 288,464.32/x
  3. Step 3: Cross multiply
    503,180.08x = 694,487.76 × 288,464.32
  4. Step 4: Simplify right side
    503,180.08x = 200,334,939,436.72
  5. Step 5: Solve for x
    x = 200,334,939,436.72/503,180.08
  6. Step 6: Final answer
    x = 398,137.66

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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.