Home / 409,727.92-565,461.66-248,623.78

Finding the Fourth Proportional to 409,727.92, 565,461.66 and 248,623.78

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Solution

The fourth proportional to 409,727.92, 565,461.66 and 248,623.78 is: 343,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,727.92 : 565,461.66 = 248,623.78 : x
  2. Step 2: Convert to fraction form
    409,727.92/565,461.66 = 248,623.78/x
  3. Step 3: Cross multiply
    409,727.92x = 565,461.66 × 248,623.78
  4. Step 4: Simplify right side
    409,727.92x = 140,587,215,354.28
  5. Step 5: Solve for x
    x = 140,587,215,354.28/409,727.92
  6. Step 6: Final answer
    x = 343,123.35

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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.