Home / 562,938.39-776,945.66-321,231.15

Finding the Fourth Proportional to 562,938.39, 776,945.66 and 321,231.15

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Solution

The fourth proportional to 562,938.39, 776,945.66 and 321,231.15 is: 443,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,938.39 : 776,945.66 = 321,231.15 : x
  2. Step 2: Convert to fraction form
    562,938.39/776,945.66 = 321,231.15/x
  3. Step 3: Cross multiply
    562,938.39x = 776,945.66 × 321,231.15
  4. Step 4: Simplify right side
    562,938.39x = 249,579,146,243.15
  5. Step 5: Solve for x
    x = 249,579,146,243.15/562,938.39
  6. Step 6: Final answer
    x = 443,350.73

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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.