Finding the Fourth Proportional to 609,869.22, 841,631.68 and 355,236.80
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Solution
The fourth proportional to 609,869.22, 841,631.68 and 355,236.80 is: 490,233.86
Step by Step Solution
- Step 1: Write the proportion equation
609,869.22 : 841,631.68 = 355,236.80 : x - Step 2: Convert to fraction form
609,869.22/841,631.68 = 355,236.80/x - Step 3: Cross multiply
609,869.22x = 841,631.68 × 355,236.80 - Step 4: Simplify right side
609,869.22x = 298,978,544,781.82 - Step 5: Solve for x
x = 298,978,544,781.82/609,869.22 - Step 6: Final answer
x = 490,233.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.