Home / 469,263.24-647,413.56-308,205.54

Finding the Fourth Proportional to 469,263.24, 647,413.56 and 308,205.54

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Solution

The fourth proportional to 469,263.24, 647,413.56 and 308,205.54 is: 425,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,263.24 : 647,413.56 = 308,205.54 : x
  2. Step 2: Convert to fraction form
    469,263.24/647,413.56 = 308,205.54/x
  3. Step 3: Cross multiply
    469,263.24x = 647,413.56 × 308,205.54
  4. Step 4: Simplify right side
    469,263.24x = 199,536,445,863.12
  5. Step 5: Solve for x
    x = 199,536,445,863.12/469,263.24
  6. Step 6: Final answer
    x = 425,212.18

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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.