Home / 949,130.69-1,309,796.84-513,546.71

Finding the Fourth Proportional to 949,130.69, 1,309,796.84 and 513,546.71

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Solution

The fourth proportional to 949,130.69, 1,309,796.84 and 513,546.71 is: 708,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,130.69 : 1,309,796.84 = 513,546.71 : x
  2. Step 2: Convert to fraction form
    949,130.69/1,309,796.84 = 513,546.71/x
  3. Step 3: Cross multiply
    949,130.69x = 1,309,796.84 × 513,546.71
  4. Step 4: Simplify right side
    949,130.69x = 672,641,848,833.68
  5. Step 5: Solve for x
    x = 672,641,848,833.68/949,130.69
  6. Step 6: Final answer
    x = 708,692.55

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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.