Home / 847,687.68-1,271,532.60-216,602.10

Finding the Fourth Proportional to 847,687.68, 1,271,532.60 and 216,602.10

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Solution

The fourth proportional to 847,687.68, 1,271,532.60 and 216,602.10 is: 324,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,687.68 : 1,271,532.60 = 216,602.10 : x
  2. Step 2: Convert to fraction form
    847,687.68/1,271,532.60 = 216,602.10/x
  3. Step 3: Cross multiply
    847,687.68x = 1,271,532.60 × 216,602.10
  4. Step 4: Simplify right side
    847,687.68x = 275,416,631,378.46
  5. Step 5: Solve for x
    x = 275,416,631,378.46/847,687.68
  6. Step 6: Final answer
    x = 324,903.43

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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.