Home / 948,543.21-1,309,020.80-518,823.33

Finding the Fourth Proportional to 948,543.21, 1,309,020.80 and 518,823.33

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Solution

The fourth proportional to 948,543.21, 1,309,020.80 and 518,823.33 is: 715,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,543.21 : 1,309,020.80 = 518,823.33 : x
  2. Step 2: Convert to fraction form
    948,543.21/1,309,020.80 = 518,823.33/x
  3. Step 3: Cross multiply
    948,543.21x = 1,309,020.80 × 518,823.33
  4. Step 4: Simplify right side
    948,543.21x = 679,150,525,910.70
  5. Step 5: Solve for x
    x = 679,150,525,910.70/948,543.21
  6. Step 6: Final answer
    x = 715,993.24

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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.