Finding the Fourth Proportional to 822,748.64, 1,234,307.64 and 290,274.08
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Solution
The fourth proportional to 822,748.64, 1,234,307.64 and 290,274.08 is: 435,476.28
Step by Step Solution
- Step 1: Write the proportion equation
822,748.64 : 1,234,307.64 = 290,274.08 : x - Step 2: Convert to fraction form
822,748.64/1,234,307.64 = 290,274.08/x - Step 3: Cross multiply
822,748.64x = 1,234,307.64 × 290,274.08 - Step 4: Simplify right side
822,748.64x = 358,287,514,637.97 - Step 5: Solve for x
x = 358,287,514,637.97/822,748.64 - Step 6: Final answer
x = 435,476.28
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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.