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Finding the Fourth Proportional to 409,301.10, 613,951.65 and 350,252.10

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Solution

The fourth proportional to 409,301.10, 613,951.65 and 350,252.10 is: 525,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,301.10 : 613,951.65 = 350,252.10 : x
  2. Step 2: Convert to fraction form
    409,301.10/613,951.65 = 350,252.10/x
  3. Step 3: Cross multiply
    409,301.10x = 613,951.65 × 350,252.10
  4. Step 4: Simplify right side
    409,301.10x = 215,037,854,710.97
  5. Step 5: Solve for x
    x = 215,037,854,710.97/409,301.10
  6. Step 6: Final answer
    x = 525,378.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.