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Finding the Fourth Proportional to 612,879.99, 845,801.67 and 510,734.44

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Solution

The fourth proportional to 612,879.99, 845,801.67 and 510,734.44 is: 704,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,879.99 : 845,801.67 = 510,734.44 : x
  2. Step 2: Convert to fraction form
    612,879.99/845,801.67 = 510,734.44/x
  3. Step 3: Cross multiply
    612,879.99x = 845,801.67 × 510,734.44
  4. Step 4: Simplify right side
    612,879.99x = 431,980,042,278.52
  5. Step 5: Solve for x
    x = 431,980,042,278.52/612,879.99
  6. Step 6: Final answer
    x = 704,836.26

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1.5x scale

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.