Finding the Fourth Proportional to 950,617.84, 1,311,858.84 and 520,916.08
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Solution
The fourth proportional to 950,617.84, 1,311,858.84 and 520,916.08 is: 718,867.60
Step by Step Solution
- Step 1: Write the proportion equation
950,617.84 : 1,311,858.84 = 520,916.08 : x - Step 2: Convert to fraction form
950,617.84/1,311,858.84 = 520,916.08/x - Step 3: Cross multiply
950,617.84x = 1,311,858.84 × 520,916.08 - Step 4: Simplify right side
950,617.84x = 683,368,364,446.15 - Step 5: Solve for x
x = 683,368,364,446.15/950,617.84 - Step 6: Final answer
x = 718,867.60
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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.