Finding the Fourth Proportional to 636,536.42, 878,400.14 and 350,055.62
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Solution
The fourth proportional to 636,536.42, 878,400.14 and 350,055.62 is: 483,065.69
Step by Step Solution
- Step 1: Write the proportion equation
636,536.42 : 878,400.14 = 350,055.62 : x - Step 2: Convert to fraction form
636,536.42/878,400.14 = 350,055.62/x - Step 3: Cross multiply
636,536.42x = 878,400.14 × 350,055.62 - Step 4: Simplify right side
636,536.42x = 307,488,905,615.79 - Step 5: Solve for x
x = 307,488,905,615.79/636,536.42 - Step 6: Final answer
x = 483,065.69
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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.