Home / 500,454.48-690,629.06-271,011.87

Finding the Fourth Proportional to 500,454.48, 690,629.06 and 271,011.87

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Solution

The fourth proportional to 500,454.48, 690,629.06 and 271,011.87 is: 373,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,454.48 : 690,629.06 = 271,011.87 : x
  2. Step 2: Convert to fraction form
    500,454.48/690,629.06 = 271,011.87/x
  3. Step 3: Cross multiply
    500,454.48x = 690,629.06 × 271,011.87
  4. Step 4: Simplify right side
    500,454.48x = 187,168,673,026.94
  5. Step 5: Solve for x
    x = 187,168,673,026.94/500,454.48
  6. Step 6: Final answer
    x = 373,997.40

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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.