Home / 739,876.80-1,109,815.20-606,907.20

Finding the Fourth Proportional to 739,876.80, 1,109,815.20 and 606,907.20

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Solution

The fourth proportional to 739,876.80, 1,109,815.20 and 606,907.20 is: 910,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,876.80 : 1,109,815.20 = 606,907.20 : x
  2. Step 2: Convert to fraction form
    739,876.80/1,109,815.20 = 606,907.20/x
  3. Step 3: Cross multiply
    739,876.80x = 1,109,815.20 × 606,907.20
  4. Step 4: Simplify right side
    739,876.80x = 673,554,835,549.44
  5. Step 5: Solve for x
    x = 673,554,835,549.44/739,876.80
  6. Step 6: Final answer
    x = 910,360.80

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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.