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Finding the Fourth Proportional to 634,879.03, 876,158.33 and 348,409.37

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Solution

The fourth proportional to 634,879.03, 876,158.33 and 348,409.37 is: 480,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,879.03 : 876,158.33 = 348,409.37 : x
  2. Step 2: Convert to fraction form
    634,879.03/876,158.33 = 348,409.37/x
  3. Step 3: Cross multiply
    634,879.03x = 876,158.33 × 348,409.37
  4. Step 4: Simplify right side
    634,879.03x = 305,261,771,775.55
  5. Step 5: Solve for x
    x = 305,261,771,775.55/634,879.03
  6. Step 6: Final answer
    x = 480,818.80

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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.