Home / 949,370.88-1,310,120.40-513,778.08

Finding the Fourth Proportional to 949,370.88, 1,310,120.40 and 513,778.08

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Solution

The fourth proportional to 949,370.88, 1,310,120.40 and 513,778.08 is: 709,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,370.88 : 1,310,120.40 = 513,778.08 : x
  2. Step 2: Convert to fraction form
    949,370.88/1,310,120.40 = 513,778.08/x
  3. Step 3: Cross multiply
    949,370.88x = 1,310,120.40 × 513,778.08
  4. Step 4: Simplify right side
    949,370.88x = 673,111,143,680.83
  5. Step 5: Solve for x
    x = 673,111,143,680.83/949,370.88
  6. Step 6: Final answer
    x = 709,007.57

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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.