Finding the Fourth Proportional to 989,811.06, 1,365,965.73 and 537,102.42
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Solution
The fourth proportional to 989,811.06, 1,365,965.73 and 537,102.42 is: 741,215.70
Step by Step Solution
- Step 1: Write the proportion equation
989,811.06 : 1,365,965.73 = 537,102.42 : x - Step 2: Convert to fraction form
989,811.06/1,365,965.73 = 537,102.42/x - Step 3: Cross multiply
989,811.06x = 1,365,965.73 × 537,102.42 - Step 4: Simplify right side
989,811.06x = 733,663,499,220.07 - Step 5: Solve for x
x = 733,663,499,220.07/989,811.06 - Step 6: Final answer
x = 741,215.70
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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.