Home / 909,009.73-1,254,437.22-501,102.62

Finding the Fourth Proportional to 909,009.73, 1,254,437.22 and 501,102.62

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Solution

The fourth proportional to 909,009.73, 1,254,437.22 and 501,102.62 is: 691,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,009.73 : 1,254,437.22 = 501,102.62 : x
  2. Step 2: Convert to fraction form
    909,009.73/1,254,437.22 = 501,102.62/x
  3. Step 3: Cross multiply
    909,009.73x = 1,254,437.22 × 501,102.62
  4. Step 4: Simplify right side
    909,009.73x = 628,601,777,256.43
  5. Step 5: Solve for x
    x = 628,601,777,256.43/909,009.73
  6. Step 6: Final answer
    x = 691,523.71

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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.