Finding the Fourth Proportional to 818,852.08, 1,228,556.76 and 499,642.96
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Solution
The fourth proportional to 818,852.08, 1,228,556.76 and 499,642.96 is: 749,634.46
Step by Step Solution
- Step 1: Write the proportion equation
818,852.08 : 1,228,556.76 = 499,642.96 : x - Step 2: Convert to fraction form
818,852.08/1,228,556.76 = 499,642.96/x - Step 3: Cross multiply
818,852.08x = 1,228,556.76 × 499,642.96 - Step 4: Simplify right side
818,852.08x = 613,839,736,094.41 - Step 5: Solve for x
x = 613,839,736,094.41/818,852.08 - Step 6: Final answer
x = 749,634.46
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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.