Home / 744,092.72-1,026,883.05-421,809.08

Finding the Fourth Proportional to 744,092.72, 1,026,883.05 and 421,809.08

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Solution

The fourth proportional to 744,092.72, 1,026,883.05 and 421,809.08 is: 582,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,092.72 : 1,026,883.05 = 421,809.08 : x
  2. Step 2: Convert to fraction form
    744,092.72/1,026,883.05 = 421,809.08/x
  3. Step 3: Cross multiply
    744,092.72x = 1,026,883.05 × 421,809.08
  4. Step 4: Simplify right side
    744,092.72x = 433,148,594,588.09
  5. Step 5: Solve for x
    x = 433,148,594,588.09/744,092.72
  6. Step 6: Final answer
    x = 582,116.43

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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.