Home / 739,554.50-1,109,961.23-290,589.32

Finding the Fourth Proportional to 739,554.50, 1,109,961.23 and 290,589.32

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Solution

The fourth proportional to 739,554.50, 1,109,961.23 and 290,589.32 is: 436,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,554.50 : 1,109,961.23 = 290,589.32 : x
  2. Step 2: Convert to fraction form
    739,554.50/1,109,961.23 = 290,589.32/x
  3. Step 3: Cross multiply
    739,554.50x = 1,109,961.23 × 290,589.32
  4. Step 4: Simplify right side
    739,554.50x = 322,542,880,374.02
  5. Step 5: Solve for x
    x = 322,542,880,374.02/739,554.50
  6. Step 6: Final answer
    x = 436,131.32

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1.5x scale

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.