Home / 549,942.57-758,950.97-308,302.83

Finding the Fourth Proportional to 549,942.57, 758,950.97 and 308,302.83

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Solution

The fourth proportional to 549,942.57, 758,950.97 and 308,302.83 is: 425,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,942.57 : 758,950.97 = 308,302.83 : x
  2. Step 2: Convert to fraction form
    549,942.57/758,950.97 = 308,302.83/x
  3. Step 3: Cross multiply
    549,942.57x = 758,950.97 × 308,302.83
  4. Step 4: Simplify right side
    549,942.57x = 233,986,730,340.73
  5. Step 5: Solve for x
    x = 233,986,730,340.73/549,942.57
  6. Step 6: Final answer
    x = 425,474.85

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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.