Home / 790,227.30-1,090,515.61-427,653.80

Finding the Fourth Proportional to 790,227.30, 1,090,515.61 and 427,653.80

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Solution

The fourth proportional to 790,227.30, 1,090,515.61 and 427,653.80 is: 590,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,227.30 : 1,090,515.61 = 427,653.80 : x
  2. Step 2: Convert to fraction form
    790,227.30/1,090,515.61 = 427,653.80/x
  3. Step 3: Cross multiply
    790,227.30x = 1,090,515.61 × 427,653.80
  4. Step 4: Simplify right side
    790,227.30x = 466,363,136,984.97
  5. Step 5: Solve for x
    x = 466,363,136,984.97/790,227.30
  6. Step 6: Final answer
    x = 590,163.28

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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.