Finding the Fourth Proportional to 926,283.99, 1,278,244.40 and 512,839.16
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Solution
The fourth proportional to 926,283.99, 1,278,244.40 and 512,839.16 is: 707,702.81
Step by Step Solution
- Step 1: Write the proportion equation
926,283.99 : 1,278,244.40 = 512,839.16 : x - Step 2: Convert to fraction form
926,283.99/1,278,244.40 = 512,839.16/x - Step 3: Cross multiply
926,283.99x = 1,278,244.40 × 512,839.16 - Step 4: Simplify right side
926,283.99x = 655,533,775,415.29 - Step 5: Solve for x
x = 655,533,775,415.29/926,283.99 - Step 6: Final answer
x = 707,702.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.