Finding the Fourth Proportional to 702,921.68, 1,054,347.49 and 247,535.39
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Solution
The fourth proportional to 702,921.68, 1,054,347.49 and 247,535.39 is: 371,290.74
Step by Step Solution
- Step 1: Write the proportion equation
702,921.68 : 1,054,347.49 = 247,535.39 : x - Step 2: Convert to fraction form
702,921.68/1,054,347.49 = 247,535.39/x - Step 3: Cross multiply
702,921.68x = 1,054,347.49 × 247,535.39 - Step 4: Simplify right side
702,921.68x = 260,988,315,298.78 - Step 5: Solve for x
x = 260,988,315,298.78/702,921.68 - Step 6: Final answer
x = 371,290.74
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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.