Home / 922,917.05-1,273,625.57-509,453.93

Finding the Fourth Proportional to 922,917.05, 1,273,625.57 and 509,453.93

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Solution

The fourth proportional to 922,917.05, 1,273,625.57 and 509,453.93 is: 703,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,917.05 : 1,273,625.57 = 509,453.93 : x
  2. Step 2: Convert to fraction form
    922,917.05/1,273,625.57 = 509,453.93/x
  3. Step 3: Cross multiply
    922,917.05x = 1,273,625.57 × 509,453.93
  4. Step 4: Simplify right side
    922,917.05x = 648,853,556,442.69
  5. Step 5: Solve for x
    x = 648,853,556,442.69/922,917.05
  6. Step 6: Final answer
    x = 703,046.45

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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.