Home / 790,136.45-1,090,380.71-427,552.37

Finding the Fourth Proportional to 790,136.45, 1,090,380.71 and 427,552.37

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Solution

The fourth proportional to 790,136.45, 1,090,380.71 and 427,552.37 is: 590,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,136.45 : 1,090,380.71 = 427,552.37 : x
  2. Step 2: Convert to fraction form
    790,136.45/1,090,380.71 = 427,552.37/x
  3. Step 3: Cross multiply
    790,136.45x = 1,090,380.71 × 427,552.37
  4. Step 4: Simplify right side
    790,136.45x = 466,194,854,625.02
  5. Step 5: Solve for x
    x = 466,194,854,625.02/790,136.45
  6. Step 6: Final answer
    x = 590,018.16

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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.