Home / 949,074.69-1,309,723.19-519,354.91

Finding the Fourth Proportional to 949,074.69, 1,309,723.19 and 519,354.91

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Solution

The fourth proportional to 949,074.69, 1,309,723.19 and 519,354.91 is: 716,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,074.69 : 1,309,723.19 = 519,354.91 : x
  2. Step 2: Convert to fraction form
    949,074.69/1,309,723.19 = 519,354.91/x
  3. Step 3: Cross multiply
    949,074.69x = 1,309,723.19 × 519,354.91
  4. Step 4: Simplify right side
    949,074.69x = 680,211,169,467.36
  5. Step 5: Solve for x
    x = 680,211,169,467.36/949,074.69
  6. Step 6: Final answer
    x = 716,709.84

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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.