Home / 997,465.60-1,496,198.40-398,519.20

Finding the Fourth Proportional to 997,465.60, 1,496,198.40 and 398,519.20

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Solution

The fourth proportional to 997,465.60, 1,496,198.40 and 398,519.20 is: 597,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,465.60 : 1,496,198.40 = 398,519.20 : x
  2. Step 2: Convert to fraction form
    997,465.60/1,496,198.40 = 398,519.20/x
  3. Step 3: Cross multiply
    997,465.60x = 1,496,198.40 × 398,519.20
  4. Step 4: Simplify right side
    997,465.60x = 596,263,789,409.28
  5. Step 5: Solve for x
    x = 596,263,789,409.28/997,465.60
  6. Step 6: Final answer
    x = 597,778.80

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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.