Finding the Fourth Proportional to 746,345.57, 1,029,142.96 and 504,207.72
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Solution
The fourth proportional to 746,345.57, 1,029,142.96 and 504,207.72 is: 695,256.79
Step by Step Solution
- Step 1: Write the proportion equation
746,345.57 : 1,029,142.96 = 504,207.72 : x - Step 2: Convert to fraction form
746,345.57/1,029,142.96 = 504,207.72/x - Step 3: Cross multiply
746,345.57x = 1,029,142.96 × 504,207.72 - Step 4: Simplify right side
746,345.57x = 518,901,824,155.13 - Step 5: Solve for x
x = 518,901,824,155.13/746,345.57 - Step 6: Final answer
x = 695,256.79
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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.