Home / 811,499.67-1,119,902.52-448,917.28

Finding the Fourth Proportional to 811,499.67, 1,119,902.52 and 448,917.28

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Solution

The fourth proportional to 811,499.67, 1,119,902.52 and 448,917.28 is: 619,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,499.67 : 1,119,902.52 = 448,917.28 : x
  2. Step 2: Convert to fraction form
    811,499.67/1,119,902.52 = 448,917.28/x
  3. Step 3: Cross multiply
    811,499.67x = 1,119,902.52 × 448,917.28
  4. Step 4: Simplify right side
    811,499.67x = 502,743,590,343.79
  5. Step 5: Solve for x
    x = 502,743,590,343.79/811,499.67
  6. Step 6: Final answer
    x = 619,524.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.