Home / 987,290.44-1,480,935.66-239,336.44

Finding the Fourth Proportional to 987,290.44, 1,480,935.66 and 239,336.44

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Solution

The fourth proportional to 987,290.44, 1,480,935.66 and 239,336.44 is: 359,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,290.44 : 1,480,935.66 = 239,336.44 : x
  2. Step 2: Convert to fraction form
    987,290.44/1,480,935.66 = 239,336.44/x
  3. Step 3: Cross multiply
    987,290.44x = 1,480,935.66 × 239,336.44
  4. Step 4: Simplify right side
    987,290.44x = 354,441,864,133.60
  5. Step 5: Solve for x
    x = 354,441,864,133.60/987,290.44
  6. Step 6: Final answer
    x = 359,004.66

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Similar ratio
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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.