Home / 769,580.70-1,153,364.40-413,828.70

Finding the Fourth Proportional to 769,580.70, 1,153,364.40 and 413,828.70

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Solution

The fourth proportional to 769,580.70, 1,153,364.40 and 413,828.70 is: 620,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,580.70 : 1,153,364.40 = 413,828.70 : x
  2. Step 2: Convert to fraction form
    769,580.70/1,153,364.40 = 413,828.70/x
  3. Step 3: Cross multiply
    769,580.70x = 1,153,364.40 × 413,828.70
  4. Step 4: Simplify right side
    769,580.70x = 477,295,290,278.28
  5. Step 5: Solve for x
    x = 477,295,290,278.28/769,580.70
  6. Step 6: Final answer
    x = 620,201.74

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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.