Home / 642,100.20-962,459.10-242,586.60

Finding the Fourth Proportional to 642,100.20, 962,459.10 and 242,586.60

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Solution

The fourth proportional to 642,100.20, 962,459.10 and 242,586.60 is: 363,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,100.20 : 962,459.10 = 242,586.60 : x
  2. Step 2: Convert to fraction form
    642,100.20/962,459.10 = 242,586.60/x
  3. Step 3: Cross multiply
    642,100.20x = 962,459.10 × 242,586.60
  4. Step 4: Simplify right side
    642,100.20x = 233,479,680,708.06
  5. Step 5: Solve for x
    x = 233,479,680,708.06/642,100.20
  6. Step 6: Final answer
    x = 363,618.76

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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.