Home / 907,628.20-1,361,442.30-242,780.20

Finding the Fourth Proportional to 907,628.20, 1,361,442.30 and 242,780.20

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Solution

The fourth proportional to 907,628.20, 1,361,442.30 and 242,780.20 is: 364,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,628.20 : 1,361,442.30 = 242,780.20 : x
  2. Step 2: Convert to fraction form
    907,628.20/1,361,442.30 = 242,780.20/x
  3. Step 3: Cross multiply
    907,628.20x = 1,361,442.30 × 242,780.20
  4. Step 4: Simplify right side
    907,628.20x = 330,531,233,882.46
  5. Step 5: Solve for x
    x = 330,531,233,882.46/907,628.20
  6. Step 6: Final answer
    x = 364,170.30

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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.