Home / 890,232.40-1,335,348.60-858,739.60

Finding the Fourth Proportional to 890,232.40, 1,335,348.60 and 858,739.60

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Solution

The fourth proportional to 890,232.40, 1,335,348.60 and 858,739.60 is: 1,288,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,232.40 : 1,335,348.60 = 858,739.60 : x
  2. Step 2: Convert to fraction form
    890,232.40/1,335,348.60 = 858,739.60/x
  3. Step 3: Cross multiply
    890,232.40x = 1,335,348.60 × 858,739.60
  4. Step 4: Simplify right side
    890,232.40x = 1,146,716,722,624.56
  5. Step 5: Solve for x
    x = 1,146,716,722,624.56/890,232.40
  6. Step 6: Final answer
    x = 1,288,109.40

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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.