Home / 909,100.58-1,254,535.61-501,192.90

Finding the Fourth Proportional to 909,100.58, 1,254,535.61 and 501,192.90

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Solution

The fourth proportional to 909,100.58, 1,254,535.61 and 501,192.90 is: 691,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,100.58 : 1,254,535.61 = 501,192.90 : x
  2. Step 2: Convert to fraction form
    909,100.58/1,254,535.61 = 501,192.90/x
  3. Step 3: Cross multiply
    909,100.58x = 1,254,535.61 × 501,192.90
  4. Step 4: Simplify right side
    909,100.58x = 628,764,338,023.21
  5. Step 5: Solve for x
    x = 628,764,338,023.21/909,100.58
  6. Step 6: Final answer
    x = 691,633.42

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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.