Finding the Fourth Proportional to 608,857.21, 840,210.37 and 336,924.92
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Solution
The fourth proportional to 608,857.21, 840,210.37 and 336,924.92 is: 464,949.43
Step by Step Solution
- Step 1: Write the proportion equation
608,857.21 : 840,210.37 = 336,924.92 : x - Step 2: Convert to fraction form
608,857.21/840,210.37 = 336,924.92/x - Step 3: Cross multiply
608,857.21x = 840,210.37 × 336,924.92 - Step 4: Simplify right side
608,857.21x = 283,087,812,953.63 - Step 5: Solve for x
x = 283,087,812,953.63/608,857.21 - Step 6: Final answer
x = 464,949.43
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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.