Finding the Fourth Proportional to 989,973.94, 1,366,164.72 and 537,264.94
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Solution
The fourth proportional to 989,973.94, 1,366,164.72 and 537,264.94 is: 741,425.99
Step by Step Solution
- Step 1: Write the proportion equation
989,973.94 : 1,366,164.72 = 537,264.94 : x - Step 2: Convert to fraction form
989,973.94/1,366,164.72 = 537,264.94/x - Step 3: Cross multiply
989,973.94x = 1,366,164.72 × 537,264.94 - Step 4: Simplify right side
989,973.94x = 733,992,406,320.92 - Step 5: Solve for x
x = 733,992,406,320.92/989,973.94 - Step 6: Final answer
x = 741,425.99
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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.