Home / 783,258.79-1,080,815.85-460,949.68

Finding the Fourth Proportional to 783,258.79, 1,080,815.85 and 460,949.68

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Solution

The fourth proportional to 783,258.79, 1,080,815.85 and 460,949.68 is: 636,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,258.79 : 1,080,815.85 = 460,949.68 : x
  2. Step 2: Convert to fraction form
    783,258.79/1,080,815.85 = 460,949.68/x
  3. Step 3: Cross multiply
    783,258.79x = 1,080,815.85 × 460,949.68
  4. Step 4: Simplify right side
    783,258.79x = 498,201,720,196.43
  5. Step 5: Solve for x
    x = 498,201,720,196.43/783,258.79
  6. Step 6: Final answer
    x = 636,062.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.