Home / 822,458.60-1,233,687.90-490,682.60

Finding the Fourth Proportional to 822,458.60, 1,233,687.90 and 490,682.60

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Solution

The fourth proportional to 822,458.60, 1,233,687.90 and 490,682.60 is: 736,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,458.60 : 1,233,687.90 = 490,682.60 : x
  2. Step 2: Convert to fraction form
    822,458.60/1,233,687.90 = 490,682.60/x
  3. Step 3: Cross multiply
    822,458.60x = 1,233,687.90 × 490,682.60
  4. Step 4: Simplify right side
    822,458.60x = 605,349,186,360.54
  5. Step 5: Solve for x
    x = 605,349,186,360.54/822,458.60
  6. Step 6: Final answer
    x = 736,023.90

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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.