Finding the Fourth Proportional to 756,503.80, 1,134,755.70 and 703,359.70
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Solution
The fourth proportional to 756,503.80, 1,134,755.70 and 703,359.70 is: 1,055,039.55
Step by Step Solution
- Step 1: Write the proportion equation
756,503.80 : 1,134,755.70 = 703,359.70 : x - Step 2: Convert to fraction form
756,503.80/1,134,755.70 = 703,359.70/x - Step 3: Cross multiply
756,503.80x = 1,134,755.70 × 703,359.70 - Step 4: Simplify right side
756,503.80x = 798,141,428,725.29 - Step 5: Solve for x
x = 798,141,428,725.29/756,503.80 - Step 6: Final answer
x = 1,055,039.55
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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.