Home / 948,819.02-1,309,538.81-561,849.24

Finding the Fourth Proportional to 948,819.02, 1,309,538.81 and 561,849.24

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Solution

The fourth proportional to 948,819.02, 1,309,538.81 and 561,849.24 is: 775,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,819.02 : 1,309,538.81 = 561,849.24 : x
  2. Step 2: Convert to fraction form
    948,819.02/1,309,538.81 = 561,849.24/x
  3. Step 3: Cross multiply
    948,819.02x = 1,309,538.81 × 561,849.24
  4. Step 4: Simplify right side
    948,819.02x = 735,763,391,464.40
  5. Step 5: Solve for x
    x = 735,763,391,464.40/948,819.02
  6. Step 6: Final answer
    x = 775,451.78

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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.