Finding the Fourth Proportional to 746,590.10, 1,029,970.08 and 474,512.31
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Solution
The fourth proportional to 746,590.10, 1,029,970.08 and 474,512.31 is: 654,620.90
Step by Step Solution
- Step 1: Write the proportion equation
746,590.10 : 1,029,970.08 = 474,512.31 : x - Step 2: Convert to fraction form
746,590.10/1,029,970.08 = 474,512.31/x - Step 3: Cross multiply
746,590.10x = 1,029,970.08 × 474,512.31 - Step 4: Simplify right side
746,590.10x = 488,733,481,891.69 - Step 5: Solve for x
x = 488,733,481,891.69/746,590.10 - Step 6: Final answer
x = 654,620.90
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1.5x scale
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.