Home / 983,658.05-1,475,539.73-309,791.84

Finding the Fourth Proportional to 983,658.05, 1,475,539.73 and 309,791.84

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Solution

The fourth proportional to 983,658.05, 1,475,539.73 and 309,791.84 is: 464,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,658.05 : 1,475,539.73 = 309,791.84 : x
  2. Step 2: Convert to fraction form
    983,658.05/1,475,539.73 = 309,791.84/x
  3. Step 3: Cross multiply
    983,658.05x = 1,475,539.73 × 309,791.84
  4. Step 4: Simplify right side
    983,658.05x = 457,110,159,023.15
  5. Step 5: Solve for x
    x = 457,110,159,023.15/983,658.05
  6. Step 6: Final answer
    x = 464,704.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.