Finding the Fourth Proportional to 722,449.98, 1,083,721.14 and 242,658.36
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Solution
The fourth proportional to 722,449.98, 1,083,721.14 and 242,658.36 is: 364,003.05
Step by Step Solution
- Step 1: Write the proportion equation
722,449.98 : 1,083,721.14 = 242,658.36 : x - Step 2: Convert to fraction form
722,449.98/1,083,721.14 = 242,658.36/x - Step 3: Cross multiply
722,449.98x = 1,083,721.14 × 242,658.36 - Step 4: Simplify right side
722,449.98x = 262,973,994,529.73 - Step 5: Solve for x
x = 262,973,994,529.73/722,449.98 - Step 6: Final answer
x = 364,003.05
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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.