Finding the Fourth Proportional to 928,177.49, 1,278,489.08 and 655,772.52
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Solution
The fourth proportional to 928,177.49, 1,278,489.08 and 655,772.52 is: 903,273.37
Step by Step Solution
- Step 1: Write the proportion equation
928,177.49 : 1,278,489.08 = 655,772.52 : x - Step 2: Convert to fraction form
928,177.49/1,278,489.08 = 655,772.52/x - Step 3: Cross multiply
928,177.49x = 1,278,489.08 × 655,772.52 - Step 4: Simplify right side
928,177.49x = 838,398,002,505.22 - Step 5: Solve for x
x = 838,398,002,505.22/928,177.49 - Step 6: Final answer
x = 903,273.37
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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.