Home / 770,971.96-1,156,318.62-209,875.24

Finding the Fourth Proportional to 770,971.96, 1,156,318.62 and 209,875.24

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Solution

The fourth proportional to 770,971.96, 1,156,318.62 and 209,875.24 is: 314,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,971.96 : 1,156,318.62 = 209,875.24 : x
  2. Step 2: Convert to fraction form
    770,971.96/1,156,318.62 = 209,875.24/x
  3. Step 3: Cross multiply
    770,971.96x = 1,156,318.62 × 209,875.24
  4. Step 4: Simplify right side
    770,971.96x = 242,682,647,888.97
  5. Step 5: Solve for x
    x = 242,682,647,888.97/770,971.96
  6. Step 6: Final answer
    x = 314,774.93

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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.