Finding the Fourth Proportional to 655,347.96, 904,660.02 and 440,612.55
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Solution
The fourth proportional to 655,347.96, 904,660.02 and 440,612.55 is: 608,233.46
Step by Step Solution
- Step 1: Write the proportion equation
655,347.96 : 904,660.02 = 440,612.55 : x - Step 2: Convert to fraction form
655,347.96/904,660.02 = 440,612.55/x - Step 3: Cross multiply
655,347.96x = 904,660.02 × 440,612.55 - Step 4: Simplify right side
655,347.96x = 398,604,558,295.25 - Step 5: Solve for x
x = 398,604,558,295.25/655,347.96 - Step 6: Final answer
x = 608,233.46
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1.5x scale
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.