Home / 839,180.44-1,258,639.95-460,287.58

Finding the Fourth Proportional to 839,180.44, 1,258,639.95 and 460,287.58

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Solution

The fourth proportional to 839,180.44, 1,258,639.95 and 460,287.58 is: 690,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,180.44 : 1,258,639.95 = 460,287.58 : x
  2. Step 2: Convert to fraction form
    839,180.44/1,258,639.95 = 460,287.58/x
  3. Step 3: Cross multiply
    839,180.44x = 1,258,639.95 × 460,287.58
  4. Step 4: Simplify right side
    839,180.44x = 579,336,336,676.82
  5. Step 5: Solve for x
    x = 579,336,336,676.82/839,180.44
  6. Step 6: Final answer
    x = 690,359.68

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1.5x scale

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.