Home / 631,251.20-946,070.40-256,851.20

Finding the Fourth Proportional to 631,251.20, 946,070.40 and 256,851.20

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Solution

The fourth proportional to 631,251.20, 946,070.40 and 256,851.20 is: 384,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,251.20 : 946,070.40 = 256,851.20 : x
  2. Step 2: Convert to fraction form
    631,251.20/946,070.40 = 256,851.20/x
  3. Step 3: Cross multiply
    631,251.20x = 946,070.40 × 256,851.20
  4. Step 4: Simplify right side
    631,251.20x = 242,999,317,524.48
  5. Step 5: Solve for x
    x = 242,999,317,524.48/631,251.20
  6. Step 6: Final answer
    x = 384,948.68

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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.