Home / 751,039.72-1,126,818.78-470,222.44

Finding the Fourth Proportional to 751,039.72, 1,126,818.78 and 470,222.44

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Solution

The fourth proportional to 751,039.72, 1,126,818.78 and 470,222.44 is: 705,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,039.72 : 1,126,818.78 = 470,222.44 : x
  2. Step 2: Convert to fraction form
    751,039.72/1,126,818.78 = 470,222.44/x
  3. Step 3: Cross multiply
    751,039.72x = 1,126,818.78 × 470,222.44
  4. Step 4: Simplify right side
    751,039.72x = 529,855,476,169.42
  5. Step 5: Solve for x
    x = 529,855,476,169.42/751,039.72
  6. Step 6: Final answer
    x = 705,495.94

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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.