Home / 815,224.40-1,223,009.40-246,558.80

Finding the Fourth Proportional to 815,224.40, 1,223,009.40 and 246,558.80

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Solution

The fourth proportional to 815,224.40, 1,223,009.40 and 246,558.80 is: 369,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,224.40 : 1,223,009.40 = 246,558.80 : x
  2. Step 2: Convert to fraction form
    815,224.40/1,223,009.40 = 246,558.80/x
  3. Step 3: Cross multiply
    815,224.40x = 1,223,009.40 × 246,558.80
  4. Step 4: Simplify right side
    815,224.40x = 301,543,730,052.72
  5. Step 5: Solve for x
    x = 301,543,730,052.72/815,224.40
  6. Step 6: Final answer
    x = 369,890.46

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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.