Home / 907,285.45-1,361,092.20-456,872.80

Finding the Fourth Proportional to 907,285.45, 1,361,092.20 and 456,872.80

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Solution

The fourth proportional to 907,285.45, 1,361,092.20 and 456,872.80 is: 685,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,285.45 : 1,361,092.20 = 456,872.80 : x
  2. Step 2: Convert to fraction form
    907,285.45/1,361,092.20 = 456,872.80/x
  3. Step 3: Cross multiply
    907,285.45x = 1,361,092.20 × 456,872.80
  4. Step 4: Simplify right side
    907,285.45x = 621,846,004,472.16
  5. Step 5: Solve for x
    x = 621,846,004,472.16/907,285.45
  6. Step 6: Final answer
    x = 685,391.80

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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.