Finding the Fourth Proportional to 711,866.03, 982,361.99 and 389,569.66
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Solution
The fourth proportional to 711,866.03, 982,361.99 and 389,569.66 is: 537,598.95
Step by Step Solution
- Step 1: Write the proportion equation
711,866.03 : 982,361.99 = 389,569.66 : x - Step 2: Convert to fraction form
711,866.03/982,361.99 = 389,569.66/x - Step 3: Cross multiply
711,866.03x = 982,361.99 × 389,569.66 - Step 4: Simplify right side
711,866.03x = 382,698,424,959.24 - Step 5: Solve for x
x = 382,698,424,959.24/711,866.03 - Step 6: Final answer
x = 537,598.95
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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.