Home / 858,408.96-1,184,604.30-476,435.64

Finding the Fourth Proportional to 858,408.96, 1,184,604.30 and 476,435.64

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Solution

The fourth proportional to 858,408.96, 1,184,604.30 and 476,435.64 is: 657,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,408.96 : 1,184,604.30 = 476,435.64 : x
  2. Step 2: Convert to fraction form
    858,408.96/1,184,604.30 = 476,435.64/x
  3. Step 3: Cross multiply
    858,408.96x = 1,184,604.30 × 476,435.64
  4. Step 4: Simplify right side
    858,408.96x = 564,387,707,817.25
  5. Step 5: Solve for x
    x = 564,387,707,817.25/858,408.96
  6. Step 6: Final answer
    x = 657,481.15

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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.