Home / 728,941.24-1,093,820.10-308,531.80

Finding the Fourth Proportional to 728,941.24, 1,093,820.10 and 308,531.80

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Solution

The fourth proportional to 728,941.24, 1,093,820.10 and 308,531.80 is: 462,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,941.24 : 1,093,820.10 = 308,531.80 : x
  2. Step 2: Convert to fraction form
    728,941.24/1,093,820.10 = 308,531.80/x
  3. Step 3: Cross multiply
    728,941.24x = 1,093,820.10 × 308,531.80
  4. Step 4: Simplify right side
    728,941.24x = 337,478,284,329.18
  5. Step 5: Solve for x
    x = 337,478,284,329.18/728,941.24
  6. Step 6: Final answer
    x = 462,970.49

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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.