Finding the Fourth Proportional to 608,592.68, 839,574.88 and 393,802.08
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Solution
The fourth proportional to 608,592.68, 839,574.88 and 393,802.08 is: 543,263.74
Step by Step Solution
- Step 1: Write the proportion equation
608,592.68 : 839,574.88 = 393,802.08 : x - Step 2: Convert to fraction form
608,592.68/839,574.88 = 393,802.08/x - Step 3: Cross multiply
608,592.68x = 839,574.88 × 393,802.08 - Step 4: Simplify right side
608,592.68x = 330,626,334,059.75 - Step 5: Solve for x
x = 330,626,334,059.75/608,592.68 - Step 6: Final answer
x = 543,263.74
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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.