Home / 776,401.16-1,164,601.74-215,435.84

Finding the Fourth Proportional to 776,401.16, 1,164,601.74 and 215,435.84

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Solution

The fourth proportional to 776,401.16, 1,164,601.74 and 215,435.84 is: 323,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,401.16 : 1,164,601.74 = 215,435.84 : x
  2. Step 2: Convert to fraction form
    776,401.16/1,164,601.74 = 215,435.84/x
  3. Step 3: Cross multiply
    776,401.16x = 1,164,601.74 × 215,435.84
  4. Step 4: Simplify right side
    776,401.16x = 250,896,954,122.36
  5. Step 5: Solve for x
    x = 250,896,954,122.36/776,401.16
  6. Step 6: Final answer
    x = 323,153.76

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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.