Home / 821,319.26-1,133,408.63-458,748.27

Finding the Fourth Proportional to 821,319.26, 1,133,408.63 and 458,748.27

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Solution

The fourth proportional to 821,319.26, 1,133,408.63 and 458,748.27 is: 633,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,319.26 : 1,133,408.63 = 458,748.27 : x
  2. Step 2: Convert to fraction form
    821,319.26/1,133,408.63 = 458,748.27/x
  3. Step 3: Cross multiply
    821,319.26x = 1,133,408.63 × 458,748.27
  4. Step 4: Simplify right side
    821,319.26x = 519,949,245,921.83
  5. Step 5: Solve for x
    x = 519,949,245,921.83/821,319.26
  6. Step 6: Final answer
    x = 633,065.94

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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.