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Finding the Fourth Proportional to 500,207.52, 690,288.40 and 273,874.08

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Solution

The fourth proportional to 500,207.52, 690,288.40 and 273,874.08 is: 377,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,207.52 : 690,288.40 = 273,874.08 : x
  2. Step 2: Convert to fraction form
    500,207.52/690,288.40 = 273,874.08/x
  3. Step 3: Cross multiply
    500,207.52x = 690,288.40 × 273,874.08
  4. Step 4: Simplify right side
    500,207.52x = 189,052,100,484.67
  5. Step 5: Solve for x
    x = 189,052,100,484.67/500,207.52
  6. Step 6: Final answer
    x = 377,947.34

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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.