Finding the Fourth Proportional to 869,575.84, 1,304,419.44 and 301,011.68
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Solution
The fourth proportional to 869,575.84, 1,304,419.44 and 301,011.68 is: 451,536.79
Step by Step Solution
- Step 1: Write the proportion equation
869,575.84 : 1,304,419.44 = 301,011.68 : x - Step 2: Convert to fraction form
869,575.84/1,304,419.44 = 301,011.68/x - Step 3: Cross multiply
869,575.84x = 1,304,419.44 × 301,011.68 - Step 4: Simplify right side
869,575.84x = 392,645,487,059.06 - Step 5: Solve for x
x = 392,645,487,059.06/869,575.84 - Step 6: Final answer
x = 451,536.79
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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.