Home / 979,670.21-1,352,143.81-566,224.55

Finding the Fourth Proportional to 979,670.21, 1,352,143.81 and 566,224.55

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Solution

The fourth proportional to 979,670.21, 1,352,143.81 and 566,224.55 is: 781,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,670.21 : 1,352,143.81 = 566,224.55 : x
  2. Step 2: Convert to fraction form
    979,670.21/1,352,143.81 = 566,224.55/x
  3. Step 3: Cross multiply
    979,670.21x = 1,352,143.81 × 566,224.55
  4. Step 4: Simplify right side
    979,670.21x = 765,617,013,591.82
  5. Step 5: Solve for x
    x = 765,617,013,591.82/979,670.21
  6. Step 6: Final answer
    x = 781,504.84

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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.