Home / 459,840.23-634,634.76-278,546.84

Finding the Fourth Proportional to 459,840.23, 634,634.76 and 278,546.84

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Solution

The fourth proportional to 459,840.23, 634,634.76 and 278,546.84 is: 384,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,840.23 : 634,634.76 = 278,546.84 : x
  2. Step 2: Convert to fraction form
    459,840.23/634,634.76 = 278,546.84/x
  3. Step 3: Cross multiply
    459,840.23x = 634,634.76 × 278,546.84
  4. Step 4: Simplify right side
    459,840.23x = 176,775,503,778.99
  5. Step 5: Solve for x
    x = 176,775,503,778.99/459,840.23
  6. Step 6: Final answer
    x = 384,428.10

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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.