Finding the Fourth Proportional to 767,341.62, 1,058,944.68 and 423,217.08
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Solution
The fourth proportional to 767,341.62, 1,058,944.68 and 423,217.08 is: 584,046.88
Step by Step Solution
- Step 1: Write the proportion equation
767,341.62 : 1,058,944.68 = 423,217.08 : x - Step 2: Convert to fraction form
767,341.62/1,058,944.68 = 423,217.08/x - Step 3: Cross multiply
767,341.62x = 1,058,944.68 × 423,217.08 - Step 4: Simplify right side
767,341.62x = 448,163,475,351.13 - Step 5: Solve for x
x = 448,163,475,351.13/767,341.62 - Step 6: Final answer
x = 584,046.88
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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.