Home / 691,768.86-1,037,968.55-355,045.94

Finding the Fourth Proportional to 691,768.86, 1,037,968.55 and 355,045.94

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Solution

The fourth proportional to 691,768.86, 1,037,968.55 and 355,045.94 is: 532,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,768.86 : 1,037,968.55 = 355,045.94 : x
  2. Step 2: Convert to fraction form
    691,768.86/1,037,968.55 = 355,045.94/x
  3. Step 3: Cross multiply
    691,768.86x = 1,037,968.55 × 355,045.94
  4. Step 4: Simplify right side
    691,768.86x = 368,526,512,560.12
  5. Step 5: Solve for x
    x = 368,526,512,560.12/691,768.86
  6. Step 6: Final answer
    x = 532,730.71

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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.