Home / 946,979.28-1,420,499.18-370,579.72

Finding the Fourth Proportional to 946,979.28, 1,420,499.18 and 370,579.72

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Solution

The fourth proportional to 946,979.28, 1,420,499.18 and 370,579.72 is: 555,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,979.28 : 1,420,499.18 = 370,579.72 : x
  2. Step 2: Convert to fraction form
    946,979.28/1,420,499.18 = 370,579.72/x
  3. Step 3: Cross multiply
    946,979.28x = 1,420,499.18 × 370,579.72
  4. Step 4: Simplify right side
    946,979.28x = 526,408,188,384.63
  5. Step 5: Solve for x
    x = 526,408,188,384.63/946,979.28
  6. Step 6: Final answer
    x = 555,881.42

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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.