Finding the Fourth Proportional to 413,430.48, 569,214.31 and 352,757.63
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Solution
The fourth proportional to 413,430.48, 569,214.31 and 352,757.63 is: 485,679.46
Step by Step Solution
- Step 1: Write the proportion equation
413,430.48 : 569,214.31 = 352,757.63 : x - Step 2: Convert to fraction form
413,430.48/569,214.31 = 352,757.63/x - Step 3: Cross multiply
413,430.48x = 569,214.31 × 352,757.63 - Step 4: Simplify right side
413,430.48x = 200,794,691,498.83 - Step 5: Solve for x
x = 200,794,691,498.83/413,430.48 - Step 6: Final answer
x = 485,679.46
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1.5x scale
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.