Home / 937,029.60-1,405,544.40-431,589.60

Finding the Fourth Proportional to 937,029.60, 1,405,544.40 and 431,589.60

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Solution

The fourth proportional to 937,029.60, 1,405,544.40 and 431,589.60 is: 647,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,029.60 : 1,405,544.40 = 431,589.60 : x
  2. Step 2: Convert to fraction form
    937,029.60/1,405,544.40 = 431,589.60/x
  3. Step 3: Cross multiply
    937,029.60x = 1,405,544.40 × 431,589.60
  4. Step 4: Simplify right side
    937,029.60x = 606,618,345,378.24
  5. Step 5: Solve for x
    x = 606,618,345,378.24/937,029.60
  6. Step 6: Final answer
    x = 647,384.40

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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.