Home / 858,598.37-1,287,624.08-282,087.80

Finding the Fourth Proportional to 858,598.37, 1,287,624.08 and 282,087.80

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Solution

The fourth proportional to 858,598.37, 1,287,624.08 and 282,087.80 is: 423,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,598.37 : 1,287,624.08 = 282,087.80 : x
  2. Step 2: Convert to fraction form
    858,598.37/1,287,624.08 = 282,087.80/x
  3. Step 3: Cross multiply
    858,598.37x = 1,287,624.08 × 282,087.80
  4. Step 4: Simplify right side
    858,598.37x = 363,223,043,049.91
  5. Step 5: Solve for x
    x = 363,223,043,049.91/858,598.37
  6. Step 6: Final answer
    x = 423,041.85

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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.