Home / 627,748.20-941,622.30-312,820.20

Finding the Fourth Proportional to 627,748.20, 941,622.30 and 312,820.20

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Solution

The fourth proportional to 627,748.20, 941,622.30 and 312,820.20 is: 469,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,748.20 : 941,622.30 = 312,820.20 : x
  2. Step 2: Convert to fraction form
    627,748.20/941,622.30 = 312,820.20/x
  3. Step 3: Cross multiply
    627,748.20x = 941,622.30 × 312,820.20
  4. Step 4: Simplify right side
    627,748.20x = 294,558,476,210.46
  5. Step 5: Solve for x
    x = 294,558,476,210.46/627,748.20
  6. Step 6: Final answer
    x = 469,230.30

Related Problems

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Half scale
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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.