Finding the Fourth Proportional to 767,345.29, 1,058,897.68 and 423,241.09
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Solution
The fourth proportional to 767,345.29, 1,058,897.68 and 423,241.09 is: 584,051.29
Step by Step Solution
- Step 1: Write the proportion equation
767,345.29 : 1,058,897.68 = 423,241.09 : x - Step 2: Convert to fraction form
767,345.29/1,058,897.68 = 423,241.09/x - Step 3: Cross multiply
767,345.29x = 1,058,897.68 × 423,241.09 - Step 4: Simplify right side
767,345.29x = 448,169,008,281.67 - Step 5: Solve for x
x = 448,169,008,281.67/767,345.29 - Step 6: Final answer
x = 584,051.29
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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.