Finding the Fourth Proportional to 598,720.42, 826,175.37 and 330,431.14
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Solution
The fourth proportional to 598,720.42, 826,175.37 and 330,431.14 is: 455,962.52
Step by Step Solution
- Step 1: Write the proportion equation
598,720.42 : 826,175.37 = 330,431.14 : x - Step 2: Convert to fraction form
598,720.42/826,175.37 = 330,431.14/x - Step 3: Cross multiply
598,720.42x = 826,175.37 × 330,431.14 - Step 4: Simplify right side
598,720.42x = 272,994,069,349.02 - Step 5: Solve for x
x = 272,994,069,349.02/598,720.42 - Step 6: Final answer
x = 455,962.52
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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.