Home / 983,657.66-1,475,539.13-309,791.43

Finding the Fourth Proportional to 983,657.66, 1,475,539.13 and 309,791.43

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Solution

The fourth proportional to 983,657.66, 1,475,539.13 and 309,791.43 is: 464,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,657.66 : 1,475,539.13 = 309,791.43 : x
  2. Step 2: Convert to fraction form
    983,657.66/1,475,539.13 = 309,791.43/x
  3. Step 3: Cross multiply
    983,657.66x = 1,475,539.13 × 309,791.43
  4. Step 4: Simplify right side
    983,657.66x = 457,109,375,554.70
  5. Step 5: Solve for x
    x = 457,109,375,554.70/983,657.66
  6. Step 6: Final answer
    x = 464,703.72

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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.