Home / 814,022.60-1,220,742.30-414,530.60

Finding the Fourth Proportional to 814,022.60, 1,220,742.30 and 414,530.60

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Solution

The fourth proportional to 814,022.60, 1,220,742.30 and 414,530.60 is: 621,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,022.60 : 1,220,742.30 = 414,530.60 : x
  2. Step 2: Convert to fraction form
    814,022.60/1,220,742.30 = 414,530.60/x
  3. Step 3: Cross multiply
    814,022.60x = 1,220,742.30 × 414,530.60
  4. Step 4: Simplify right side
    814,022.60x = 506,035,038,064.38
  5. Step 5: Solve for x
    x = 506,035,038,064.38/814,022.60
  6. Step 6: Final answer
    x = 621,647.41

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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.