Home / 739,635.80-1,106,645.70-490,803.80

Finding the Fourth Proportional to 739,635.80, 1,106,645.70 and 490,803.80

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Solution

The fourth proportional to 739,635.80, 1,106,645.70 and 490,803.80 is: 734,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,635.80 : 1,106,645.70 = 490,803.80 : x
  2. Step 2: Convert to fraction form
    739,635.80/1,106,645.70 = 490,803.80/x
  3. Step 3: Cross multiply
    739,635.80x = 1,106,645.70 × 490,803.80
  4. Step 4: Simplify right side
    739,635.80x = 543,145,914,813.66
  5. Step 5: Solve for x
    x = 543,145,914,813.66/739,635.80
  6. Step 6: Final answer
    x = 734,342.38

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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.