Home / 908,650.35-1,253,942.41-521,434.93

Finding the Fourth Proportional to 908,650.35, 1,253,942.41 and 521,434.93

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Solution

The fourth proportional to 908,650.35, 1,253,942.41 and 521,434.93 is: 719,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,650.35 : 1,253,942.41 = 521,434.93 : x
  2. Step 2: Convert to fraction form
    908,650.35/1,253,942.41 = 521,434.93/x
  3. Step 3: Cross multiply
    908,650.35x = 1,253,942.41 × 521,434.93
  4. Step 4: Simplify right side
    908,650.35x = 653,849,372,782.38
  5. Step 5: Solve for x
    x = 653,849,372,782.38/908,650.35
  6. Step 6: Final answer
    x = 719,583.03

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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.