Home / 744,249.30-1,027,033.02-421,981.20

Finding the Fourth Proportional to 744,249.30, 1,027,033.02 and 421,981.20

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Solution

The fourth proportional to 744,249.30, 1,027,033.02 and 421,981.20 is: 582,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,249.30 : 1,027,033.02 = 421,981.20 : x
  2. Step 2: Convert to fraction form
    744,249.30/1,027,033.02 = 421,981.20/x
  3. Step 3: Cross multiply
    744,249.30x = 1,027,033.02 × 421,981.20
  4. Step 4: Simplify right side
    744,249.30x = 433,388,626,219.22
  5. Step 5: Solve for x
    x = 433,388,626,219.22/744,249.30
  6. Step 6: Final answer
    x = 582,316.47

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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.