Home / 800,490.38-1,104,685.44-437,906.46

Finding the Fourth Proportional to 800,490.38, 1,104,685.44 and 437,906.46

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Solution

The fourth proportional to 800,490.38, 1,104,685.44 and 437,906.46 is: 604,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,490.38 : 1,104,685.44 = 437,906.46 : x
  2. Step 2: Convert to fraction form
    800,490.38/1,104,685.44 = 437,906.46/x
  3. Step 3: Cross multiply
    800,490.38x = 1,104,685.44 × 437,906.46
  4. Step 4: Simplify right side
    800,490.38x = 483,748,890,443.94
  5. Step 5: Solve for x
    x = 483,748,890,443.94/800,490.38
  6. Step 6: Final answer
    x = 604,315.68

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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.