Finding the Fourth Proportional to 989,986.53, 1,366,181.06 and 537,277.53
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Solution
The fourth proportional to 989,986.53, 1,366,181.06 and 537,277.53 is: 741,442.80
Step by Step Solution
- Step 1: Write the proportion equation
989,986.53 : 1,366,181.06 = 537,277.53 : x - Step 2: Convert to fraction form
989,986.53/1,366,181.06 = 537,277.53/x - Step 3: Cross multiply
989,986.53x = 1,366,181.06 × 537,277.53 - Step 4: Simplify right side
989,986.53x = 734,018,382,763.19 - Step 5: Solve for x
x = 734,018,382,763.19/989,986.53 - Step 6: Final answer
x = 741,442.80
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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.