Home / 862,039.44-1,291,718.02-329,269.68

Finding the Fourth Proportional to 862,039.44, 1,291,718.02 and 329,269.68

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Solution

The fourth proportional to 862,039.44, 1,291,718.02 and 329,269.68 is: 493,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,039.44 : 1,291,718.02 = 329,269.68 : x
  2. Step 2: Convert to fraction form
    862,039.44/1,291,718.02 = 329,269.68/x
  3. Step 3: Cross multiply
    862,039.44x = 1,291,718.02 × 329,269.68
  4. Step 4: Simplify right side
    862,039.44x = 425,323,579,095.63
  5. Step 5: Solve for x
    x = 425,323,579,095.63/862,039.44
  6. Step 6: Final answer
    x = 493,392.25

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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.