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Finding the Fourth Proportional to 496,596.72, 685,377.24 and 292,582.42

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Solution

The fourth proportional to 496,596.72, 685,377.24 and 292,582.42 is: 403,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,596.72 : 685,377.24 = 292,582.42 : x
  2. Step 2: Convert to fraction form
    496,596.72/685,377.24 = 292,582.42/x
  3. Step 3: Cross multiply
    496,596.72x = 685,377.24 × 292,582.42
  4. Step 4: Simplify right side
    496,596.72x = 200,529,331,492.12
  5. Step 5: Solve for x
    x = 200,529,331,492.12/496,596.72
  6. Step 6: Final answer
    x = 403,807.20

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1.5x scale

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.