Home / 802,000.72-1,202,171.64-380,956.24

Finding the Fourth Proportional to 802,000.72, 1,202,171.64 and 380,956.24

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Solution

The fourth proportional to 802,000.72, 1,202,171.64 and 380,956.24 is: 571,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,000.72 : 1,202,171.64 = 380,956.24 : x
  2. Step 2: Convert to fraction form
    802,000.72/1,202,171.64 = 380,956.24/x
  3. Step 3: Cross multiply
    802,000.72x = 1,202,171.64 × 380,956.24
  4. Step 4: Simplify right side
    802,000.72x = 457,974,787,809.03
  5. Step 5: Solve for x
    x = 457,974,787,809.03/802,000.72
  6. Step 6: Final answer
    x = 571,040.37

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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.