Home / 744,080.72-1,026,866.49-421,797.08

Finding the Fourth Proportional to 744,080.72, 1,026,866.49 and 421,797.08

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Solution

The fourth proportional to 744,080.72, 1,026,866.49 and 421,797.08 is: 582,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,080.72 : 1,026,866.49 = 421,797.08 : x
  2. Step 2: Convert to fraction form
    744,080.72/1,026,866.49 = 421,797.08/x
  3. Step 3: Cross multiply
    744,080.72x = 1,026,866.49 × 421,797.08
  4. Step 4: Simplify right side
    744,080.72x = 433,129,287,031.85
  5. Step 5: Solve for x
    x = 433,129,287,031.85/744,080.72
  6. Step 6: Final answer
    x = 582,099.87

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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.