Finding the Fourth Proportional to 926,290.17, 1,278,252.93 and 512,845.35
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Solution
The fourth proportional to 926,290.17, 1,278,252.93 and 512,845.35 is: 707,711.35
Step by Step Solution
- Step 1: Write the proportion equation
926,290.17 : 1,278,252.93 = 512,845.35 : x - Step 2: Convert to fraction form
926,290.17/1,278,252.93 = 512,845.35/x - Step 3: Cross multiply
926,290.17x = 1,278,252.93 × 512,845.35 - Step 4: Simplify right side
926,290.17x = 655,546,071,274.38 - Step 5: Solve for x
x = 655,546,071,274.38/926,290.17 - Step 6: Final answer
x = 707,711.35
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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.