Finding the Fourth Proportional to 984,136.66, 1,358,208.93 and 602,415.70
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Solution
The fourth proportional to 984,136.66, 1,358,208.93 and 602,415.70 is: 831,395.09
Step by Step Solution
- Step 1: Write the proportion equation
984,136.66 : 1,358,208.93 = 602,415.70 : x - Step 2: Convert to fraction form
984,136.66/1,358,208.93 = 602,415.70/x - Step 3: Cross multiply
984,136.66x = 1,358,208.93 × 602,415.70 - Step 4: Simplify right side
984,136.66x = 818,206,383,312.20 - Step 5: Solve for x
x = 818,206,383,312.20/984,136.66 - Step 6: Final answer
x = 831,395.09
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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.