Home / 954,468.56-1,431,339.26-421,698.96

Finding the Fourth Proportional to 954,468.56, 1,431,339.26 and 421,698.96

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Solution

The fourth proportional to 954,468.56, 1,431,339.26 and 421,698.96 is: 632,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,468.56 : 1,431,339.26 = 421,698.96 : x
  2. Step 2: Convert to fraction form
    954,468.56/1,431,339.26 = 421,698.96/x
  3. Step 3: Cross multiply
    954,468.56x = 1,431,339.26 × 421,698.96
  4. Step 4: Simplify right side
    954,468.56x = 603,594,275,240.68
  5. Step 5: Solve for x
    x = 603,594,275,240.68/954,468.56
  6. Step 6: Final answer
    x = 632,387.80

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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.