Home / 858,744.40-1,288,116.60-504,158.80

Finding the Fourth Proportional to 858,744.40, 1,288,116.60 and 504,158.80

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Solution

The fourth proportional to 858,744.40, 1,288,116.60 and 504,158.80 is: 756,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,744.40 : 1,288,116.60 = 504,158.80 : x
  2. Step 2: Convert to fraction form
    858,744.40/1,288,116.60 = 504,158.80/x
  3. Step 3: Cross multiply
    858,744.40x = 1,288,116.60 × 504,158.80
  4. Step 4: Simplify right side
    858,744.40x = 649,415,319,316.08
  5. Step 5: Solve for x
    x = 649,415,319,316.08/858,744.40
  6. Step 6: Final answer
    x = 756,238.20

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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.