Home / 902,564.80-1,353,519.15-453,136.30

Finding the Fourth Proportional to 902,564.80, 1,353,519.15 and 453,136.30

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Solution

The fourth proportional to 902,564.80, 1,353,519.15 and 453,136.30 is: 679,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,564.80 : 1,353,519.15 = 453,136.30 : x
  2. Step 2: Convert to fraction form
    902,564.80/1,353,519.15 = 453,136.30/x
  3. Step 3: Cross multiply
    902,564.80x = 1,353,519.15 × 453,136.30
  4. Step 4: Simplify right side
    902,564.80x = 613,328,659,610.15
  5. Step 5: Solve for x
    x = 613,328,659,610.15/902,564.80
  6. Step 6: Final answer
    x = 679,539.75

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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.