Home / 939,793.86-1,296,916.76-510,074.04

Finding the Fourth Proportional to 939,793.86, 1,296,916.76 and 510,074.04

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Solution

The fourth proportional to 939,793.86, 1,296,916.76 and 510,074.04 is: 703,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,793.86 : 1,296,916.76 = 510,074.04 : x
  2. Step 2: Convert to fraction form
    939,793.86/1,296,916.76 = 510,074.04/x
  3. Step 3: Cross multiply
    939,793.86x = 1,296,916.76 × 510,074.04
  4. Step 4: Simplify right side
    939,793.86x = 661,523,572,592.10
  5. Step 5: Solve for x
    x = 661,523,572,592.10/939,793.86
  6. Step 6: Final answer
    x = 703,902.85

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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.