Home / 868,821.60-1,303,232.40-448,917.60

Finding the Fourth Proportional to 868,821.60, 1,303,232.40 and 448,917.60

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Solution

The fourth proportional to 868,821.60, 1,303,232.40 and 448,917.60 is: 673,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,821.60 : 1,303,232.40 = 448,917.60 : x
  2. Step 2: Convert to fraction form
    868,821.60/1,303,232.40 = 448,917.60/x
  3. Step 3: Cross multiply
    868,821.60x = 1,303,232.40 × 448,917.60
  4. Step 4: Simplify right side
    868,821.60x = 585,043,961,250.24
  5. Step 5: Solve for x
    x = 585,043,961,250.24/868,821.60
  6. Step 6: Final answer
    x = 673,376.40

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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.