Home / 708,114.96-1,061,767.44-328,840.56

Finding the Fourth Proportional to 708,114.96, 1,061,767.44 and 328,840.56

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Solution

The fourth proportional to 708,114.96, 1,061,767.44 and 328,840.56 is: 493,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,114.96 : 1,061,767.44 = 328,840.56 : x
  2. Step 2: Convert to fraction form
    708,114.96/1,061,767.44 = 328,840.56/x
  3. Step 3: Cross multiply
    708,114.96x = 1,061,767.44 × 328,840.56
  4. Step 4: Simplify right side
    708,114.96x = 349,152,199,559.37
  5. Step 5: Solve for x
    x = 349,152,199,559.37/708,114.96
  6. Step 6: Final answer
    x = 493,072.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.