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Finding the Fourth Proportional to 634,930.17, 876,183.83 and 348,442.89

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Solution

The fourth proportional to 634,930.17, 876,183.83 and 348,442.89 is: 480,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,930.17 : 876,183.83 = 348,442.89 : x
  2. Step 2: Convert to fraction form
    634,930.17/876,183.83 = 348,442.89/x
  3. Step 3: Cross multiply
    634,930.17x = 876,183.83 × 348,442.89
  4. Step 4: Simplify right side
    634,930.17x = 305,300,024,154.25
  5. Step 5: Solve for x
    x = 305,300,024,154.25/634,930.17
  6. Step 6: Final answer
    x = 480,840.32

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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.