Home / 470,038.20-705,057.30-283,414.20

Finding the Fourth Proportional to 470,038.20, 705,057.30 and 283,414.20

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Solution

The fourth proportional to 470,038.20, 705,057.30 and 283,414.20 is: 425,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,038.20 : 705,057.30 = 283,414.20 : x
  2. Step 2: Convert to fraction form
    470,038.20/705,057.30 = 283,414.20/x
  3. Step 3: Cross multiply
    470,038.20x = 705,057.30 × 283,414.20
  4. Step 4: Simplify right side
    470,038.20x = 199,823,250,633.66
  5. Step 5: Solve for x
    x = 199,823,250,633.66/470,038.20
  6. Step 6: Final answer
    x = 425,121.30

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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.