Finding the Fourth Proportional to 755,030.84, 1,041,942.74 and 415,499.09
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Solution
The fourth proportional to 755,030.84, 1,041,942.74 and 415,499.09 is: 573,388.84
Step by Step Solution
- Step 1: Write the proportion equation
755,030.84 : 1,041,942.74 = 415,499.09 : x - Step 2: Convert to fraction form
755,030.84/1,041,942.74 = 415,499.09/x - Step 3: Cross multiply
755,030.84x = 1,041,942.74 × 415,499.09 - Step 4: Simplify right side
755,030.84x = 432,926,260,829.47 - Step 5: Solve for x
x = 432,926,260,829.47/755,030.84 - Step 6: Final answer
x = 573,388.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.