Finding the Fourth Proportional to 949,288.79, 1,310,021.96 and 513,706.10
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Solution
The fourth proportional to 949,288.79, 1,310,021.96 and 513,706.10 is: 708,916.27
Step by Step Solution
- Step 1: Write the proportion equation
949,288.79 : 1,310,021.96 = 513,706.10 : x - Step 2: Convert to fraction form
949,288.79/1,310,021.96 = 513,706.10/x - Step 3: Cross multiply
949,288.79x = 1,310,021.96 × 513,706.10 - Step 4: Simplify right side
949,288.79x = 672,966,262,867.32 - Step 5: Solve for x
x = 672,966,262,867.32/949,288.79 - Step 6: Final answer
x = 708,916.27
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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.