Finding the Fourth Proportional to 989,867.44, 1,366,017.07 and 537,158.44
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Solution
The fourth proportional to 989,867.44, 1,366,017.07 and 537,158.44 is: 741,278.65
Step by Step Solution
- Step 1: Write the proportion equation
989,867.44 : 1,366,017.07 = 537,158.44 : x - Step 2: Convert to fraction form
989,867.44/1,366,017.07 = 537,158.44/x - Step 3: Cross multiply
989,867.44x = 1,366,017.07 × 537,158.44 - Step 4: Simplify right side
989,867.44x = 733,767,598,334.57 - Step 5: Solve for x
x = 733,767,598,334.57/989,867.44 - Step 6: Final answer
x = 741,278.65
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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.