Finding the Fourth Proportional to 623,921.23, 861,011.81 and 337,440.97
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Solution
The fourth proportional to 623,921.23, 861,011.81 and 337,440.97 is: 465,668.82
Step by Step Solution
- Step 1: Write the proportion equation
623,921.23 : 861,011.81 = 337,440.97 : x - Step 2: Convert to fraction form
623,921.23/861,011.81 = 337,440.97/x - Step 3: Cross multiply
623,921.23x = 861,011.81 × 337,440.97 - Step 4: Simplify right side
623,921.23x = 290,540,660,347.86 - Step 5: Solve for x
x = 290,540,660,347.86/623,921.23 - Step 6: Final answer
x = 465,668.82
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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.