Finding the Fourth Proportional to 982,453.08, 1,474,154.82 and 477,445.08
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Solution
The fourth proportional to 982,453.08, 1,474,154.82 and 477,445.08 is: 716,398.55
Step by Step Solution
- Step 1: Write the proportion equation
982,453.08 : 1,474,154.82 = 477,445.08 : x - Step 2: Convert to fraction form
982,453.08/1,474,154.82 = 477,445.08/x - Step 3: Cross multiply
982,453.08x = 1,474,154.82 × 477,445.08 - Step 4: Simplify right side
982,453.08x = 703,827,965,967.29 - Step 5: Solve for x
x = 703,827,965,967.29/982,453.08 - Step 6: Final answer
x = 716,398.55
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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.