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Finding the Fourth Proportional to 772,624, 1,066,224.96 and 450,557.44

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Solution

The fourth proportional to 772,624, 1,066,224.96 and 450,557.44 is: 621,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,624 : 1,066,224.96 = 450,557.44 : x
  2. Step 2: Convert to fraction form
    772,624/1,066,224.96 = 450,557.44/x
  3. Step 3: Cross multiply
    772,624x = 1,066,224.96 × 450,557.44
  4. Step 4: Simplify right side
    772,624x = 480,395,588,441.70
  5. Step 5: Solve for x
    x = 480,395,588,441.70/772,624
  6. Step 6: Final answer
    x = 621,771.51

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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.