Home / 858,540.72-1,184,777.40-476,557.68

Finding the Fourth Proportional to 858,540.72, 1,184,777.40 and 476,557.68

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Solution

The fourth proportional to 858,540.72, 1,184,777.40 and 476,557.68 is: 657,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,540.72 : 1,184,777.40 = 476,557.68 : x
  2. Step 2: Convert to fraction form
    858,540.72/1,184,777.40 = 476,557.68/x
  3. Step 3: Cross multiply
    858,540.72x = 1,184,777.40 × 476,557.68
  4. Step 4: Simplify right side
    858,540.72x = 564,614,769,060.43
  5. Step 5: Solve for x
    x = 564,614,769,060.43/858,540.72
  6. Step 6: Final answer
    x = 657,644.72

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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.