Home / 686,502.70-1,029,754.05-237,074.20

Finding the Fourth Proportional to 686,502.70, 1,029,754.05 and 237,074.20

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Solution

The fourth proportional to 686,502.70, 1,029,754.05 and 237,074.20 is: 355,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,502.70 : 1,029,754.05 = 237,074.20 : x
  2. Step 2: Convert to fraction form
    686,502.70/1,029,754.05 = 237,074.20/x
  3. Step 3: Cross multiply
    686,502.70x = 1,029,754.05 × 237,074.20
  4. Step 4: Simplify right side
    686,502.70x = 244,128,117,600.51
  5. Step 5: Solve for x
    x = 244,128,117,600.51/686,502.70
  6. Step 6: Final answer
    x = 355,611.30

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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.