Home / 939,614.50-1,296,671.42-509,894.52

Finding the Fourth Proportional to 939,614.50, 1,296,671.42 and 509,894.52

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Solution

The fourth proportional to 939,614.50, 1,296,671.42 and 509,894.52 is: 703,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,614.50 : 1,296,671.42 = 509,894.52 : x
  2. Step 2: Convert to fraction form
    939,614.50/1,296,671.42 = 509,894.52/x
  3. Step 3: Cross multiply
    939,614.50x = 1,296,671.42 × 509,894.52
  4. Step 4: Simplify right side
    939,614.50x = 661,165,651,298.62
  5. Step 5: Solve for x
    x = 661,165,651,298.62/939,614.50
  6. Step 6: Final answer
    x = 703,656.29

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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.