Home / 858,102.96-1,286,972.19-325,437.24

Finding the Fourth Proportional to 858,102.96, 1,286,972.19 and 325,437.24

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Solution

The fourth proportional to 858,102.96, 1,286,972.19 and 325,437.24 is: 488,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,102.96 : 1,286,972.19 = 325,437.24 : x
  2. Step 2: Convert to fraction form
    858,102.96/1,286,972.19 = 325,437.24/x
  3. Step 3: Cross multiply
    858,102.96x = 1,286,972.19 × 325,437.24
  4. Step 4: Simplify right side
    858,102.96x = 418,828,677,470.36
  5. Step 5: Solve for x
    x = 418,828,677,470.36/858,102.96
  6. Step 6: Final answer
    x = 488,086.74

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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.