Home / 459,819.54-634,191.50-298,726.49

Finding the Fourth Proportional to 459,819.54, 634,191.50 and 298,726.49

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Solution

The fourth proportional to 459,819.54, 634,191.50 and 298,726.49 is: 412,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,819.54 : 634,191.50 = 298,726.49 : x
  2. Step 2: Convert to fraction form
    459,819.54/634,191.50 = 298,726.49/x
  3. Step 3: Cross multiply
    459,819.54x = 634,191.50 × 298,726.49
  4. Step 4: Simplify right side
    459,819.54x = 189,449,796,118.25
  5. Step 5: Solve for x
    x = 189,449,796,118.25/459,819.54
  6. Step 6: Final answer
    x = 412,009.02

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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.