Finding the Fourth Proportional to 615,502.06, 924,876.74 and 331,402.66
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Solution
The fourth proportional to 615,502.06, 924,876.74 and 331,402.66 is: 497,978.21
Step by Step Solution
- Step 1: Write the proportion equation
615,502.06 : 924,876.74 = 331,402.66 : x - Step 2: Convert to fraction form
615,502.06/924,876.74 = 331,402.66/x - Step 3: Cross multiply
615,502.06x = 924,876.74 × 331,402.66 - Step 4: Simplify right side
615,502.06x = 306,506,611,808.13 - Step 5: Solve for x
x = 306,506,611,808.13/615,502.06 - Step 6: Final answer
x = 497,978.21
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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.