Finding the Fourth Proportional to 503,929.60, 695,423.80 and 274,486.18
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Solution
The fourth proportional to 503,929.60, 695,423.80 and 274,486.18 is: 378,791.45
Step by Step Solution
- Step 1: Write the proportion equation
503,929.60 : 695,423.80 = 274,486.18 : x - Step 2: Convert to fraction form
503,929.60/695,423.80 = 274,486.18/x - Step 3: Cross multiply
503,929.60x = 695,423.80 × 274,486.18 - Step 4: Simplify right side
503,929.60x = 190,884,222,343.08 - Step 5: Solve for x
x = 190,884,222,343.08/503,929.60 - Step 6: Final answer
x = 378,791.45
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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.