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Finding the Fourth Proportional to 496,131.92, 684,579.06 and 292,223.45

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Solution

The fourth proportional to 496,131.92, 684,579.06 and 292,223.45 is: 403,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,131.92 : 684,579.06 = 292,223.45 : x
  2. Step 2: Convert to fraction form
    496,131.92/684,579.06 = 292,223.45/x
  3. Step 3: Cross multiply
    496,131.92x = 684,579.06 × 292,223.45
  4. Step 4: Simplify right side
    496,131.92x = 200,050,053,239.62
  5. Step 5: Solve for x
    x = 200,050,053,239.62/496,131.92
  6. Step 6: Final answer
    x = 403,219.47

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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.