Home / 409,725.17-565,457.87-248,621.03

Finding the Fourth Proportional to 409,725.17, 565,457.87 and 248,621.03

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Solution

The fourth proportional to 409,725.17, 565,457.87 and 248,621.03 is: 343,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,725.17 : 565,457.87 = 248,621.03 : x
  2. Step 2: Convert to fraction form
    409,725.17/565,457.87 = 248,621.03/x
  3. Step 3: Cross multiply
    409,725.17x = 565,457.87 × 248,621.03
  4. Step 4: Simplify right side
    409,725.17x = 140,584,716,817.90
  5. Step 5: Solve for x
    x = 140,584,716,817.90/409,725.17
  6. Step 6: Final answer
    x = 343,119.55

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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.