Finding the Fourth Proportional to 916,534.28, 1,374,356.98 and 537,578.80
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Solution
The fourth proportional to 916,534.28, 1,374,356.98 and 537,578.80 is: 806,107.52
Step by Step Solution
- Step 1: Write the proportion equation
916,534.28 : 1,374,356.98 = 537,578.80 : x - Step 2: Convert to fraction form
916,534.28/1,374,356.98 = 537,578.80/x - Step 3: Cross multiply
916,534.28x = 1,374,356.98 × 537,578.80 - Step 4: Simplify right side
916,534.28x = 738,825,176,080.02 - Step 5: Solve for x
x = 738,825,176,080.02/916,534.28 - Step 6: Final answer
x = 806,107.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.