Home / 470,821.80-705,311.10-283,276.20

Finding the Fourth Proportional to 470,821.80, 705,311.10 and 283,276.20

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Solution

The fourth proportional to 470,821.80, 705,311.10 and 283,276.20 is: 424,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,821.80 : 705,311.10 = 283,276.20 : x
  2. Step 2: Convert to fraction form
    470,821.80/705,311.10 = 283,276.20/x
  3. Step 3: Cross multiply
    470,821.80x = 705,311.10 × 283,276.20
  4. Step 4: Simplify right side
    470,821.80x = 199,797,848,225.82
  5. Step 5: Solve for x
    x = 199,797,848,225.82/470,821.80
  6. Step 6: Final answer
    x = 424,359.81

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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.