Home / 708,045.82-1,061,921.10-258,978.18

Finding the Fourth Proportional to 708,045.82, 1,061,921.10 and 258,978.18

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Solution

The fourth proportional to 708,045.82, 1,061,921.10 and 258,978.18 is: 388,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,045.82 : 1,061,921.10 = 258,978.18 : x
  2. Step 2: Convert to fraction form
    708,045.82/1,061,921.10 = 258,978.18/x
  3. Step 3: Cross multiply
    708,045.82x = 1,061,921.10 × 258,978.18
  4. Step 4: Simplify right side
    708,045.82x = 275,014,393,781.60
  5. Step 5: Solve for x
    x = 275,014,393,781.60/708,045.82
  6. Step 6: Final answer
    x = 388,413.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.