Home / 459,819.80-634,191.84-298,726.74

Finding the Fourth Proportional to 459,819.80, 634,191.84 and 298,726.74

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Solution

The fourth proportional to 459,819.80, 634,191.84 and 298,726.74 is: 412,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,819.80 : 634,191.84 = 298,726.74 : x
  2. Step 2: Convert to fraction form
    459,819.80/634,191.84 = 298,726.74/x
  3. Step 3: Cross multiply
    459,819.80x = 634,191.84 × 298,726.74
  4. Step 4: Simplify right side
    459,819.80x = 189,450,060,897.80
  5. Step 5: Solve for x
    x = 189,450,060,897.80/459,819.80
  6. Step 6: Final answer
    x = 412,009.36

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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.