Home / 821,621.40-1,232,604.90-466,344.60

Finding the Fourth Proportional to 821,621.40, 1,232,604.90 and 466,344.60

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Solution

The fourth proportional to 821,621.40, 1,232,604.90 and 466,344.60 is: 699,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,621.40 : 1,232,604.90 = 466,344.60 : x
  2. Step 2: Convert to fraction form
    821,621.40/1,232,604.90 = 466,344.60/x
  3. Step 3: Cross multiply
    821,621.40x = 1,232,604.90 × 466,344.60
  4. Step 4: Simplify right side
    821,621.40x = 574,818,639,048.54
  5. Step 5: Solve for x
    x = 574,818,639,048.54/821,621.40
  6. Step 6: Final answer
    x = 699,614.98

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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.