Home / 708,064.80-1,061,949.60-258,997.20

Finding the Fourth Proportional to 708,064.80, 1,061,949.60 and 258,997.20

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Solution

The fourth proportional to 708,064.80, 1,061,949.60 and 258,997.20 is: 388,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,064.80 : 1,061,949.60 = 258,997.20 : x
  2. Step 2: Convert to fraction form
    708,064.80/1,061,949.60 = 258,997.20/x
  3. Step 3: Cross multiply
    708,064.80x = 1,061,949.60 × 258,997.20
  4. Step 4: Simplify right side
    708,064.80x = 275,041,972,941.12
  5. Step 5: Solve for x
    x = 275,041,972,941.12/708,064.80
  6. Step 6: Final answer
    x = 388,441.81

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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.