Finding the Fourth Proportional to 970,944.84, 1,340,477.96 and 863,216.74
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Solution
The fourth proportional to 970,944.84, 1,340,477.96 and 863,216.74 is: 1,191,749.49
Step by Step Solution
- Step 1: Write the proportion equation
970,944.84 : 1,340,477.96 = 863,216.74 : x - Step 2: Convert to fraction form
970,944.84/1,340,477.96 = 863,216.74/x - Step 3: Cross multiply
970,944.84x = 1,340,477.96 × 863,216.74 - Step 4: Simplify right side
970,944.84x = 1,157,123,014,673.05 - Step 5: Solve for x
x = 1,157,123,014,673.05/970,944.84 - Step 6: Final answer
x = 1,191,749.49
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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.