Finding the Fourth Proportional to 615,495.80, 924,867.36 and 331,396.40
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Solution
The fourth proportional to 615,495.80, 924,867.36 and 331,396.40 is: 497,968.82
Step by Step Solution
- Step 1: Write the proportion equation
615,495.80 : 924,867.36 = 331,396.40 : x - Step 2: Convert to fraction form
615,495.80/924,867.36 = 331,396.40/x - Step 3: Cross multiply
615,495.80x = 924,867.36 × 331,396.40 - Step 4: Simplify right side
615,495.80x = 306,497,715,893.67 - Step 5: Solve for x
x = 306,497,715,893.67/615,495.80 - Step 6: Final answer
x = 497,968.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.