Finding the Fourth Proportional to 989,839.84, 1,365,982.50 and 537,130.84
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Solution
The fourth proportional to 989,839.84, 1,365,982.50 and 537,130.84 is: 741,242.47
Step by Step Solution
- Step 1: Write the proportion equation
989,839.84 : 1,365,982.50 = 537,130.84 : x - Step 2: Convert to fraction form
989,839.84/1,365,982.50 = 537,130.84/x - Step 3: Cross multiply
989,839.84x = 1,365,982.50 × 537,130.84 - Step 4: Simplify right side
989,839.84x = 733,711,327,650.30 - Step 5: Solve for x
x = 733,711,327,650.30/989,839.84 - Step 6: Final answer
x = 741,242.47
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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.