Home / 728,717.70-1,093,076.55-551,570.70

Finding the Fourth Proportional to 728,717.70, 1,093,076.55 and 551,570.70

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Solution

The fourth proportional to 728,717.70, 1,093,076.55 and 551,570.70 is: 827,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,717.70 : 1,093,076.55 = 551,570.70 : x
  2. Step 2: Convert to fraction form
    728,717.70/1,093,076.55 = 551,570.70/x
  3. Step 3: Cross multiply
    728,717.70x = 1,093,076.55 × 551,570.70
  4. Step 4: Simplify right side
    728,717.70x = 602,908,997,837.09
  5. Step 5: Solve for x
    x = 602,908,997,837.09/728,717.70
  6. Step 6: Final answer
    x = 827,356.05

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Double scale
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Similar ratio
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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.