Home / 774,761.96-1,068,865.37-448,014.85

Finding the Fourth Proportional to 774,761.96, 1,068,865.37 and 448,014.85

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Solution

The fourth proportional to 774,761.96, 1,068,865.37 and 448,014.85 is: 618,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,761.96 : 1,068,865.37 = 448,014.85 : x
  2. Step 2: Convert to fraction form
    774,761.96/1,068,865.37 = 448,014.85/x
  3. Step 3: Cross multiply
    774,761.96x = 1,068,865.37 × 448,014.85
  4. Step 4: Simplify right side
    774,761.96x = 478,867,555,178.56
  5. Step 5: Solve for x
    x = 478,867,555,178.56/774,761.96
  6. Step 6: Final answer
    x = 618,083.46

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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.