Finding the Fourth Proportional to 754,132.42, 1,040,676.15 and 414,598.06
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Solution
The fourth proportional to 754,132.42, 1,040,676.15 and 414,598.06 is: 572,130.70
Step by Step Solution
- Step 1: Write the proportion equation
754,132.42 : 1,040,676.15 = 414,598.06 : x - Step 2: Convert to fraction form
754,132.42/1,040,676.15 = 414,598.06/x - Step 3: Cross multiply
754,132.42x = 1,040,676.15 × 414,598.06 - Step 4: Simplify right side
754,132.42x = 431,462,312,878.27 - Step 5: Solve for x
x = 431,462,312,878.27/754,132.42 - Step 6: Final answer
x = 572,130.70
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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.