Home / 987,195.30-1,480,605.60-481,247.42

Finding the Fourth Proportional to 987,195.30, 1,480,605.60 and 481,247.42

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Solution

The fourth proportional to 987,195.30, 1,480,605.60 and 481,247.42 is: 721,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,195.30 : 1,480,605.60 = 481,247.42 : x
  2. Step 2: Convert to fraction form
    987,195.30/1,480,605.60 = 481,247.42/x
  3. Step 3: Cross multiply
    987,195.30x = 1,480,605.60 × 481,247.42
  4. Step 4: Simplify right side
    987,195.30x = 712,537,625,037.55
  5. Step 5: Solve for x
    x = 712,537,625,037.55/987,195.30
  6. Step 6: Final answer
    x = 721,779.80

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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.