Home / 733,959.60-1,100,939.40-640,647.60

Finding the Fourth Proportional to 733,959.60, 1,100,939.40 and 640,647.60

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Solution

The fourth proportional to 733,959.60, 1,100,939.40 and 640,647.60 is: 960,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,959.60 : 1,100,939.40 = 640,647.60 : x
  2. Step 2: Convert to fraction form
    733,959.60/1,100,939.40 = 640,647.60/x
  3. Step 3: Cross multiply
    733,959.60x = 1,100,939.40 × 640,647.60
  4. Step 4: Simplify right side
    733,959.60x = 705,314,184,355.44
  5. Step 5: Solve for x
    x = 705,314,184,355.44/733,959.60
  6. Step 6: Final answer
    x = 960,971.40

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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.