Home / 909,134.52-1,254,608.80-501,227.44

Finding the Fourth Proportional to 909,134.52, 1,254,608.80 and 501,227.44

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Solution

The fourth proportional to 909,134.52, 1,254,608.80 and 501,227.44 is: 691,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,134.52 : 1,254,608.80 = 501,227.44 : x
  2. Step 2: Convert to fraction form
    909,134.52/1,254,608.80 = 501,227.44/x
  3. Step 3: Cross multiply
    909,134.52x = 1,254,608.80 × 501,227.44
  4. Step 4: Simplify right side
    909,134.52x = 628,844,357,025.47
  5. Step 5: Solve for x
    x = 628,844,357,025.47/909,134.52
  6. Step 6: Final answer
    x = 691,695.61

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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.