Home / 914,993.64-1,371,228.24-660,244.32

Finding the Fourth Proportional to 914,993.64, 1,371,228.24 and 660,244.32

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Solution

The fourth proportional to 914,993.64, 1,371,228.24 and 660,244.32 is: 989,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,993.64 : 1,371,228.24 = 660,244.32 : x
  2. Step 2: Convert to fraction form
    914,993.64/1,371,228.24 = 660,244.32/x
  3. Step 3: Cross multiply
    914,993.64x = 1,371,228.24 × 660,244.32
  4. Step 4: Simplify right side
    914,993.64x = 905,345,656,883.60
  5. Step 5: Solve for x
    x = 905,345,656,883.60/914,993.64
  6. Step 6: Final answer
    x = 989,455.68

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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.