Home / 459,930.09-634,724.40-255,994.05

Finding the Fourth Proportional to 459,930.09, 634,724.40 and 255,994.05

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Solution

The fourth proportional to 459,930.09, 634,724.40 and 255,994.05 is: 353,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,930.09 : 634,724.40 = 255,994.05 : x
  2. Step 2: Convert to fraction form
    459,930.09/634,724.40 = 255,994.05/x
  3. Step 3: Cross multiply
    459,930.09x = 634,724.40 × 255,994.05
  4. Step 4: Simplify right side
    459,930.09x = 162,485,669,789.82
  5. Step 5: Solve for x
    x = 162,485,669,789.82/459,930.09
  6. Step 6: Final answer
    x = 353,283.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.