Home / 825,600.60-1,238,400.90-738,995.40

Finding the Fourth Proportional to 825,600.60, 1,238,400.90 and 738,995.40

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Solution

The fourth proportional to 825,600.60, 1,238,400.90 and 738,995.40 is: 1,108,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,600.60 : 1,238,400.90 = 738,995.40 : x
  2. Step 2: Convert to fraction form
    825,600.60/1,238,400.90 = 738,995.40/x
  3. Step 3: Cross multiply
    825,600.60x = 1,238,400.90 × 738,995.40
  4. Step 4: Simplify right side
    825,600.60x = 915,172,568,455.86
  5. Step 5: Solve for x
    x = 915,172,568,455.86/825,600.60
  6. Step 6: Final answer
    x = 1,108,493.10

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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.