Home / 757,617.80-1,137,738.90-403,323.80

Finding the Fourth Proportional to 757,617.80, 1,137,738.90 and 403,323.80

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Solution

The fourth proportional to 757,617.80, 1,137,738.90 and 403,323.80 is: 605,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,617.80 : 1,137,738.90 = 403,323.80 : x
  2. Step 2: Convert to fraction form
    757,617.80/1,137,738.90 = 403,323.80/x
  3. Step 3: Cross multiply
    757,617.80x = 1,137,738.90 × 403,323.80
  4. Step 4: Simplify right side
    757,617.80x = 458,877,176,555.82
  5. Step 5: Solve for x
    x = 458,877,176,555.82/757,617.80
  6. Step 6: Final answer
    x = 605,684.26

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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.