Finding the Fourth Proportional to 988,065.42, 1,363,531.18 and 535,356.42
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Solution
The fourth proportional to 988,065.42, 1,363,531.18 and 535,356.42 is: 738,792.35
Step by Step Solution
- Step 1: Write the proportion equation
988,065.42 : 1,363,531.18 = 535,356.42 : x - Step 2: Convert to fraction form
988,065.42/1,363,531.18 = 535,356.42/x - Step 3: Cross multiply
988,065.42x = 1,363,531.18 × 535,356.42 - Step 4: Simplify right side
988,065.42x = 729,975,171,083.18 - Step 5: Solve for x
x = 729,975,171,083.18/988,065.42 - Step 6: Final answer
x = 738,792.35
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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.