Home / 631,204.20-946,806.30-395,008.20

Finding the Fourth Proportional to 631,204.20, 946,806.30 and 395,008.20

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Solution

The fourth proportional to 631,204.20, 946,806.30 and 395,008.20 is: 592,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,204.20 : 946,806.30 = 395,008.20 : x
  2. Step 2: Convert to fraction form
    631,204.20/946,806.30 = 395,008.20/x
  3. Step 3: Cross multiply
    631,204.20x = 946,806.30 × 395,008.20
  4. Step 4: Simplify right side
    631,204.20x = 373,996,252,311.66
  5. Step 5: Solve for x
    x = 373,996,252,311.66/631,204.20
  6. Step 6: Final answer
    x = 592,512.30

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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.