Home / 781,288.04-1,078,200.24-441,749

Finding the Fourth Proportional to 781,288.04, 1,078,200.24 and 441,749

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Solution

The fourth proportional to 781,288.04, 1,078,200.24 and 441,749 is: 609,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,288.04 : 1,078,200.24 = 441,749 : x
  2. Step 2: Convert to fraction form
    781,288.04/1,078,200.24 = 441,749/x
  3. Step 3: Cross multiply
    781,288.04x = 1,078,200.24 × 441,749
  4. Step 4: Simplify right side
    781,288.04x = 476,293,877,819.76
  5. Step 5: Solve for x
    x = 476,293,877,819.76/781,288.04
  6. Step 6: Final answer
    x = 609,626.48

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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.