Home / 803,312.39-1,204,972.71-270,838.03

Finding the Fourth Proportional to 803,312.39, 1,204,972.71 and 270,838.03

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Solution

The fourth proportional to 803,312.39, 1,204,972.71 and 270,838.03 is: 406,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,312.39 : 1,204,972.71 = 270,838.03 : x
  2. Step 2: Convert to fraction form
    803,312.39/1,204,972.71 = 270,838.03/x
  3. Step 3: Cross multiply
    803,312.39x = 1,204,972.71 × 270,838.03
  4. Step 4: Simplify right side
    803,312.39x = 326,352,433,211.41
  5. Step 5: Solve for x
    x = 326,352,433,211.41/803,312.39
  6. Step 6: Final answer
    x = 406,258.44

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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.