Home / 899,013.13-1,240,622.46-491,104.49

Finding the Fourth Proportional to 899,013.13, 1,240,622.46 and 491,104.49

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Solution

The fourth proportional to 899,013.13, 1,240,622.46 and 491,104.49 is: 677,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,013.13 : 1,240,622.46 = 491,104.49 : x
  2. Step 2: Convert to fraction form
    899,013.13/1,240,622.46 = 491,104.49/x
  3. Step 3: Cross multiply
    899,013.13x = 1,240,622.46 × 491,104.49
  4. Step 4: Simplify right side
    899,013.13x = 609,275,254,297.73
  5. Step 5: Solve for x
    x = 609,275,254,297.73/899,013.13
  6. Step 6: Final answer
    x = 677,715.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.