Finding the Fourth Proportional to 765,227.37, 1,148,284.61 and 386,177.75
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Solution
The fourth proportional to 765,227.37, 1,148,284.61 and 386,177.75 is: 579,490.46
Step by Step Solution
- Step 1: Write the proportion equation
765,227.37 : 1,148,284.61 = 386,177.75 : x - Step 2: Convert to fraction form
765,227.37/1,148,284.61 = 386,177.75/x - Step 3: Cross multiply
765,227.37x = 1,148,284.61 × 386,177.75 - Step 4: Simplify right side
765,227.37x = 443,441,959,377.12 - Step 5: Solve for x
x = 443,441,959,377.12/765,227.37 - Step 6: Final answer
x = 579,490.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.