Finding the Fourth Proportional to 850,683.74, 1,173,995.82 and 468,710.42
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Solution
The fourth proportional to 850,683.74, 1,173,995.82 and 468,710.42 is: 646,849.17
Step by Step Solution
- Step 1: Write the proportion equation
850,683.74 : 1,173,995.82 = 468,710.42 : x - Step 2: Convert to fraction form
850,683.74/1,173,995.82 = 468,710.42/x - Step 3: Cross multiply
850,683.74x = 1,173,995.82 × 468,710.42 - Step 4: Simplify right side
850,683.74x = 550,264,073,870.44 - Step 5: Solve for x
x = 550,264,073,870.44/850,683.74 - Step 6: Final answer
x = 646,849.17
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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.