Home / 777,353.64-1,165,145.94-473,076.54

Finding the Fourth Proportional to 777,353.64, 1,165,145.94 and 473,076.54

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Solution

The fourth proportional to 777,353.64, 1,165,145.94 and 473,076.54 is: 709,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,353.64 : 1,165,145.94 = 473,076.54 : x
  2. Step 2: Convert to fraction form
    777,353.64/1,165,145.94 = 473,076.54/x
  3. Step 3: Cross multiply
    777,353.64x = 1,165,145.94 × 473,076.54
  4. Step 4: Simplify right side
    777,353.64x = 551,203,209,890.25
  5. Step 5: Solve for x
    x = 551,203,209,890.25/777,353.64
  6. Step 6: Final answer
    x = 709,076.51

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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.