Home / 1,525,498.80-2,288,248.20-388,258.80

Finding the Fourth Proportional to 1,525,498.80, 2,288,248.20 and 388,258.80

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Solution

The fourth proportional to 1,525,498.80, 2,288,248.20 and 388,258.80 is: 582,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,498.80 : 2,288,248.20 = 388,258.80 : x
  2. Step 2: Convert to fraction form
    1,525,498.80/2,288,248.20 = 388,258.80/x
  3. Step 3: Cross multiply
    1,525,498.80x = 2,288,248.20 × 388,258.80
  4. Step 4: Simplify right side
    1,525,498.80x = 888,432,500,234.16
  5. Step 5: Solve for x
    x = 888,432,500,234.16/1,525,498.80
  6. Step 6: Final answer
    x = 582,388.20

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Double scale
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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.