Home / 776,156.70-1,164,428.77-270,724.96

Finding the Fourth Proportional to 776,156.70, 1,164,428.77 and 270,724.96

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Solution

The fourth proportional to 776,156.70, 1,164,428.77 and 270,724.96 is: 406,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,156.70 : 1,164,428.77 = 270,724.96 : x
  2. Step 2: Convert to fraction form
    776,156.70/1,164,428.77 = 270,724.96/x
  3. Step 3: Cross multiply
    776,156.70x = 1,164,428.77 × 270,724.96
  4. Step 4: Simplify right side
    776,156.70x = 315,239,932,181.10
  5. Step 5: Solve for x
    x = 315,239,932,181.10/776,156.70
  6. Step 6: Final answer
    x = 406,155.01

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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.