Finding the Fourth Proportional to 767,198.48, 1,058,742.18 and 423,035.06
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Solution
The fourth proportional to 767,198.48, 1,058,742.18 and 423,035.06 is: 583,792.95
Step by Step Solution
- Step 1: Write the proportion equation
767,198.48 : 1,058,742.18 = 423,035.06 : x - Step 2: Convert to fraction form
767,198.48/1,058,742.18 = 423,035.06/x - Step 3: Cross multiply
767,198.48x = 1,058,742.18 × 423,035.06 - Step 4: Simplify right side
767,198.48x = 447,885,061,640.83 - Step 5: Solve for x
x = 447,885,061,640.83/767,198.48 - Step 6: Final answer
x = 583,792.95
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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.