Home / 409,997.08-565,783.14-240,344.20

Finding the Fourth Proportional to 409,997.08, 565,783.14 and 240,344.20

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Solution

The fourth proportional to 409,997.08, 565,783.14 and 240,344.20 is: 331,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,997.08 : 565,783.14 = 240,344.20 : x
  2. Step 2: Convert to fraction form
    409,997.08/565,783.14 = 240,344.20/x
  3. Step 3: Cross multiply
    409,997.08x = 565,783.14 × 240,344.20
  4. Step 4: Simplify right side
    409,997.08x = 135,982,696,156.79
  5. Step 5: Solve for x
    x = 135,982,696,156.79/409,997.08
  6. Step 6: Final answer
    x = 331,667.47

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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.