Finding the Fourth Proportional to 572,986.84, 790,743.84 and 314,874.68
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Solution
The fourth proportional to 572,986.84, 790,743.84 and 314,874.68 is: 434,539.15
Step by Step Solution
- Step 1: Write the proportion equation
572,986.84 : 790,743.84 = 314,874.68 : x - Step 2: Convert to fraction form
572,986.84/790,743.84 = 314,874.68/x - Step 3: Cross multiply
572,986.84x = 790,743.84 × 314,874.68 - Step 4: Simplify right side
572,986.84x = 248,985,213,581.97 - Step 5: Solve for x
x = 248,985,213,581.97/572,986.84 - Step 6: Final answer
x = 434,539.15
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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.