Home / 946,405.20-1,419,089.40-384,805.20

Finding the Fourth Proportional to 946,405.20, 1,419,089.40 and 384,805.20

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Solution

The fourth proportional to 946,405.20, 1,419,089.40 and 384,805.20 is: 576,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,405.20 : 1,419,089.40 = 384,805.20 : x
  2. Step 2: Convert to fraction form
    946,405.20/1,419,089.40 = 384,805.20/x
  3. Step 3: Cross multiply
    946,405.20x = 1,419,089.40 × 384,805.20
  4. Step 4: Simplify right side
    946,405.20x = 546,072,980,384.88
  5. Step 5: Solve for x
    x = 546,072,980,384.88/946,405.20
  6. Step 6: Final answer
    x = 576,997.02

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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.