Home / 777,250.91-1,072,608.48-450,627.39

Finding the Fourth Proportional to 777,250.91, 1,072,608.48 and 450,627.39

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Solution

The fourth proportional to 777,250.91, 1,072,608.48 and 450,627.39 is: 621,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,250.91 : 1,072,608.48 = 450,627.39 : x
  2. Step 2: Convert to fraction form
    777,250.91/1,072,608.48 = 450,627.39/x
  3. Step 3: Cross multiply
    777,250.91x = 1,072,608.48 × 450,627.39
  4. Step 4: Simplify right side
    777,250.91x = 483,346,761,603.41
  5. Step 5: Solve for x
    x = 483,346,761,603.41/777,250.91
  6. Step 6: Final answer
    x = 621,867.09

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1.5x scale

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.