Home / 774,769.76-1,068,874.82-448,022.39

Finding the Fourth Proportional to 774,769.76, 1,068,874.82 and 448,022.39

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Solution

The fourth proportional to 774,769.76, 1,068,874.82 and 448,022.39 is: 618,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,769.76 : 1,068,874.82 = 448,022.39 : x
  2. Step 2: Convert to fraction form
    774,769.76/1,068,874.82 = 448,022.39/x
  3. Step 3: Cross multiply
    774,769.76x = 1,068,874.82 × 448,022.39
  4. Step 4: Simplify right side
    774,769.76x = 478,879,843,882.73
  5. Step 5: Solve for x
    x = 478,879,843,882.73/774,769.76
  6. Step 6: Final answer
    x = 618,093.11

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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.