Finding the Fourth Proportional to 924,286.84, 1,275,492.34 and 516,391.75
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Solution
The fourth proportional to 924,286.84, 1,275,492.34 and 516,391.75 is: 712,607.49
Step by Step Solution
- Step 1: Write the proportion equation
924,286.84 : 1,275,492.34 = 516,391.75 : x - Step 2: Convert to fraction form
924,286.84/1,275,492.34 = 516,391.75/x - Step 3: Cross multiply
924,286.84x = 1,275,492.34 × 516,391.75 - Step 4: Simplify right side
924,286.84x = 658,653,721,564.20 - Step 5: Solve for x
x = 658,653,721,564.20/924,286.84 - Step 6: Final answer
x = 712,607.49
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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.