Finding the Fourth Proportional to 817,797.30, 1,226,946.99 and 418,718.24
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Solution
The fourth proportional to 817,797.30, 1,226,946.99 and 418,718.24 is: 628,205.89
Step by Step Solution
- Step 1: Write the proportion equation
817,797.30 : 1,226,946.99 = 418,718.24 : x - Step 2: Convert to fraction form
817,797.30/1,226,946.99 = 418,718.24/x - Step 3: Cross multiply
817,797.30x = 1,226,946.99 × 418,718.24 - Step 4: Simplify right side
817,797.30x = 513,745,084,226.10 - Step 5: Solve for x
x = 513,745,084,226.10/817,797.30 - Step 6: Final answer
x = 628,205.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.