Home / 740,469.90-1,110,484.71-313,999.44

Finding the Fourth Proportional to 740,469.90, 1,110,484.71 and 313,999.44

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Solution

The fourth proportional to 740,469.90, 1,110,484.71 and 313,999.44 is: 470,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,469.90 : 1,110,484.71 = 313,999.44 : x
  2. Step 2: Convert to fraction form
    740,469.90/1,110,484.71 = 313,999.44/x
  3. Step 3: Cross multiply
    740,469.90x = 1,110,484.71 × 313,999.44
  4. Step 4: Simplify right side
    740,469.90x = 348,691,577,068.56
  5. Step 5: Solve for x
    x = 348,691,577,068.56/740,469.90
  6. Step 6: Final answer
    x = 470,905.81

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1.5x scale

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.