Home / 744,089.22-1,026,878.22-421,805.58

Finding the Fourth Proportional to 744,089.22, 1,026,878.22 and 421,805.58

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Solution

The fourth proportional to 744,089.22, 1,026,878.22 and 421,805.58 is: 582,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,089.22 : 1,026,878.22 = 421,805.58 : x
  2. Step 2: Convert to fraction form
    744,089.22/1,026,878.22 = 421,805.58/x
  3. Step 3: Cross multiply
    744,089.22x = 1,026,878.22 × 421,805.58
  4. Step 4: Simplify right side
    744,089.22x = 433,142,963,176.47
  5. Step 5: Solve for x
    x = 433,142,963,176.47/744,089.22
  6. Step 6: Final answer
    x = 582,111.60

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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.