Home / 874,699.17-1,312,189.35-306,067.56

Finding the Fourth Proportional to 874,699.17, 1,312,189.35 and 306,067.56

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Solution

The fourth proportional to 874,699.17, 1,312,189.35 and 306,067.56 is: 459,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,699.17 : 1,312,189.35 = 306,067.56 : x
  2. Step 2: Convert to fraction form
    874,699.17/1,312,189.35 = 306,067.56/x
  3. Step 3: Cross multiply
    874,699.17x = 1,312,189.35 × 306,067.56
  4. Step 4: Simplify right side
    874,699.17x = 401,618,592,612.49
  5. Step 5: Solve for x
    x = 401,618,592,612.49/874,699.17
  6. Step 6: Final answer
    x = 459,150.54

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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.