Home / 631,460.20-946,383.90-257,060.20

Finding the Fourth Proportional to 631,460.20, 946,383.90 and 257,060.20

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Solution

The fourth proportional to 631,460.20, 946,383.90 and 257,060.20 is: 385,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,460.20 : 946,383.90 = 257,060.20 : x
  2. Step 2: Convert to fraction form
    631,460.20/946,383.90 = 257,060.20/x
  3. Step 3: Cross multiply
    631,460.20x = 946,383.90 × 257,060.20
  4. Step 4: Simplify right side
    631,460.20x = 243,277,634,610.78
  5. Step 5: Solve for x
    x = 243,277,634,610.78/631,460.20
  6. Step 6: Final answer
    x = 385,262.02

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Double scale
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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.