Home / 981,033.84-1,353,808.62-551,307.78

Finding the Fourth Proportional to 981,033.84, 1,353,808.62 and 551,307.78

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Solution

The fourth proportional to 981,033.84, 1,353,808.62 and 551,307.78 is: 760,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,033.84 : 1,353,808.62 = 551,307.78 : x
  2. Step 2: Convert to fraction form
    981,033.84/1,353,808.62 = 551,307.78/x
  3. Step 3: Cross multiply
    981,033.84x = 1,353,808.62 × 551,307.78
  4. Step 4: Simplify right side
    981,033.84x = 746,365,224,837.06
  5. Step 5: Solve for x
    x = 746,365,224,837.06/981,033.84
  6. Step 6: Final answer
    x = 760,794.58

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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.