Home / 949,077.69-1,309,727.33-519,357.91

Finding the Fourth Proportional to 949,077.69, 1,309,727.33 and 519,357.91

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Solution

The fourth proportional to 949,077.69, 1,309,727.33 and 519,357.91 is: 716,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,077.69 : 1,309,727.33 = 519,357.91 : x
  2. Step 2: Convert to fraction form
    949,077.69/1,309,727.33 = 519,357.91/x
  3. Step 3: Cross multiply
    949,077.69x = 1,309,727.33 × 519,357.91
  4. Step 4: Simplify right side
    949,077.69x = 680,217,248,778.68
  5. Step 5: Solve for x
    x = 680,217,248,778.68/949,077.69
  6. Step 6: Final answer
    x = 716,713.98

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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.