Home / 850,867.34-1,174,221.56-468,918.72

Finding the Fourth Proportional to 850,867.34, 1,174,221.56 and 468,918.72

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Solution

The fourth proportional to 850,867.34, 1,174,221.56 and 468,918.72 is: 647,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,867.34 : 1,174,221.56 = 468,918.72 : x
  2. Step 2: Convert to fraction form
    850,867.34/1,174,221.56 = 468,918.72/x
  3. Step 3: Cross multiply
    850,867.34x = 1,174,221.56 × 468,918.72
  4. Step 4: Simplify right side
    850,867.34x = 550,614,470,911.60
  5. Step 5: Solve for x
    x = 550,614,470,911.60/850,867.34
  6. Step 6: Final answer
    x = 647,121.41

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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.