Home / 801,246.40-1,202,647.20-402,337.60

Finding the Fourth Proportional to 801,246.40, 1,202,647.20 and 402,337.60

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Solution

The fourth proportional to 801,246.40, 1,202,647.20 and 402,337.60 is: 603,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,246.40 : 1,202,647.20 = 402,337.60 : x
  2. Step 2: Convert to fraction form
    801,246.40/1,202,647.20 = 402,337.60/x
  3. Step 3: Cross multiply
    801,246.40x = 1,202,647.20 × 402,337.60
  4. Step 4: Simplify right side
    801,246.40x = 483,870,188,094.72
  5. Step 5: Solve for x
    x = 483,870,188,094.72/801,246.40
  6. Step 6: Final answer
    x = 603,896.86

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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.