Home / 826,735.80-1,240,104.60-328,099.80

Finding the Fourth Proportional to 826,735.80, 1,240,104.60 and 328,099.80

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Solution

The fourth proportional to 826,735.80, 1,240,104.60 and 328,099.80 is: 492,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,735.80 : 1,240,104.60 = 328,099.80 : x
  2. Step 2: Convert to fraction form
    826,735.80/1,240,104.60 = 328,099.80/x
  3. Step 3: Cross multiply
    826,735.80x = 1,240,104.60 × 328,099.80
  4. Step 4: Simplify right side
    826,735.80x = 406,878,071,239.08
  5. Step 5: Solve for x
    x = 406,878,071,239.08/826,735.80
  6. Step 6: Final answer
    x = 492,150.06

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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.