Finding the Fourth Proportional to 718,621.68, 1,076,750.28 and 569,817.84
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Solution
The fourth proportional to 718,621.68, 1,076,750.28 and 569,817.84 is: 853,789.32
Step by Step Solution
- Step 1: Write the proportion equation
718,621.68 : 1,076,750.28 = 569,817.84 : x - Step 2: Convert to fraction form
718,621.68/1,076,750.28 = 569,817.84/x - Step 3: Cross multiply
718,621.68x = 1,076,750.28 × 569,817.84 - Step 4: Simplify right side
718,621.68x = 613,551,518,769.00 - Step 5: Solve for x
x = 613,551,518,769.00/718,621.68 - Step 6: Final answer
x = 853,789.32
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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.