Finding the Fourth Proportional to 767,354.40, 1,058,916.24 and 427,819.68
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Solution
The fourth proportional to 767,354.40, 1,058,916.24 and 427,819.68 is: 590,372.85
Step by Step Solution
- Step 1: Write the proportion equation
767,354.40 : 1,058,916.24 = 427,819.68 : x - Step 2: Convert to fraction form
767,354.40/1,058,916.24 = 427,819.68/x - Step 3: Cross multiply
767,354.40x = 1,058,916.24 × 427,819.68 - Step 4: Simplify right side
767,354.40x = 453,025,206,943.60 - Step 5: Solve for x
x = 453,025,206,943.60/767,354.40 - Step 6: Final answer
x = 590,372.85
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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.