Home / 501,332.68-691,835.34-274,976.56

Finding the Fourth Proportional to 501,332.68, 691,835.34 and 274,976.56

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Solution

The fourth proportional to 501,332.68, 691,835.34 and 274,976.56 is: 379,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,332.68 : 691,835.34 = 274,976.56 : x
  2. Step 2: Convert to fraction form
    501,332.68/691,835.34 = 274,976.56/x
  3. Step 3: Cross multiply
    501,332.68x = 691,835.34 × 274,976.56
  4. Step 4: Simplify right side
    501,332.68x = 190,238,501,879.63
  5. Step 5: Solve for x
    x = 190,238,501,879.63/501,332.68
  6. Step 6: Final answer
    x = 379,465.59

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1.5x scale

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.