Home / 987,157.43-1,480,826.51-277,180.68

Finding the Fourth Proportional to 987,157.43, 1,480,826.51 and 277,180.68

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Solution

The fourth proportional to 987,157.43, 1,480,826.51 and 277,180.68 is: 415,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,157.43 : 1,480,826.51 = 277,180.68 : x
  2. Step 2: Convert to fraction form
    987,157.43/1,480,826.51 = 277,180.68/x
  3. Step 3: Cross multiply
    987,157.43x = 1,480,826.51 × 277,180.68
  4. Step 4: Simplify right side
    987,157.43x = 410,456,504,210.45
  5. Step 5: Solve for x
    x = 410,456,504,210.45/987,157.43
  6. Step 6: Final answer
    x = 415,796.40

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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.