Home / 409,317.92-564,857.30-228,019.13

Finding the Fourth Proportional to 409,317.92, 564,857.30 and 228,019.13

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Solution

The fourth proportional to 409,317.92, 564,857.30 and 228,019.13 is: 314,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,317.92 : 564,857.30 = 228,019.13 : x
  2. Step 2: Convert to fraction form
    409,317.92/564,857.30 = 228,019.13/x
  3. Step 3: Cross multiply
    409,317.92x = 564,857.30 × 228,019.13
  4. Step 4: Simplify right side
    409,317.92x = 128,798,267,865.91
  5. Step 5: Solve for x
    x = 128,798,267,865.91/409,317.92
  6. Step 6: Final answer
    x = 314,665.60

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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.