Finding the Fourth Proportional to 525,683.42, 725,442.54 and 283,965.94
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Solution
The fourth proportional to 525,683.42, 725,442.54 and 283,965.94 is: 391,872.68
Step by Step Solution
- Step 1: Write the proportion equation
525,683.42 : 725,442.54 = 283,965.94 : x - Step 2: Convert to fraction form
525,683.42/725,442.54 = 283,965.94/x - Step 3: Cross multiply
525,683.42x = 725,442.54 × 283,965.94 - Step 4: Simplify right side
525,683.42x = 206,000,972,787.09 - Step 5: Solve for x
x = 206,000,972,787.09/525,683.42 - Step 6: Final answer
x = 391,872.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.