Home / 915,272.87-1,372,923.56-346,501.29

Finding the Fourth Proportional to 915,272.87, 1,372,923.56 and 346,501.29

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Solution

The fourth proportional to 915,272.87, 1,372,923.56 and 346,501.29 is: 519,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,272.87 : 1,372,923.56 = 346,501.29 : x
  2. Step 2: Convert to fraction form
    915,272.87/1,372,923.56 = 346,501.29/x
  3. Step 3: Cross multiply
    915,272.87x = 1,372,923.56 × 346,501.29
  4. Step 4: Simplify right side
    915,272.87x = 475,719,782,878.89
  5. Step 5: Solve for x
    x = 475,719,782,878.89/915,272.87
  6. Step 6: Final answer
    x = 519,757.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.