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Finding the Fourth Proportional to 800,333.39, 1,104,468.65 and 437,749.48

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Solution

The fourth proportional to 800,333.39, 1,104,468.65 and 437,749.48 is: 604,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,333.39 : 1,104,468.65 = 437,749.48 : x
  2. Step 2: Convert to fraction form
    800,333.39/1,104,468.65 = 437,749.48/x
  3. Step 3: Cross multiply
    800,333.39x = 1,104,468.65 × 437,749.48
  4. Step 4: Simplify right side
    800,333.39x = 483,480,578,047.20
  5. Step 5: Solve for x
    x = 483,480,578,047.20/800,333.39
  6. Step 6: Final answer
    x = 604,098.97

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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.