Finding the Fourth Proportional to 623,986.74, 861,098.45 and 337,506.08
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Solution
The fourth proportional to 623,986.74, 861,098.45 and 337,506.08 is: 465,756.62
Step by Step Solution
- Step 1: Write the proportion equation
623,986.74 : 861,098.45 = 337,506.08 : x - Step 2: Convert to fraction form
623,986.74/861,098.45 = 337,506.08/x - Step 3: Cross multiply
623,986.74x = 861,098.45 × 337,506.08 - Step 4: Simplify right side
623,986.74x = 290,625,956,360.55 - Step 5: Solve for x
x = 290,625,956,360.55/623,986.74 - Step 6: Final answer
x = 465,756.62
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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.