Finding the Fourth Proportional to 862,787.19, 1,190,594.01 and 475,585.68
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Solution
The fourth proportional to 862,787.19, 1,190,594.01 and 475,585.68 is: 656,279.40
Step by Step Solution
- Step 1: Write the proportion equation
862,787.19 : 1,190,594.01 = 475,585.68 : x - Step 2: Convert to fraction form
862,787.19/1,190,594.01 = 475,585.68/x - Step 3: Cross multiply
862,787.19x = 1,190,594.01 × 475,585.68 - Step 4: Simplify right side
862,787.19x = 566,229,461,849.78 - Step 5: Solve for x
x = 566,229,461,849.78/862,787.19 - Step 6: Final answer
x = 656,279.40
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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.