Finding the Fourth Proportional to 741,791.10, 1,023,671.99 and 402,259.26
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Solution
The fourth proportional to 741,791.10, 1,023,671.99 and 402,259.26 is: 555,117.93
Step by Step Solution
- Step 1: Write the proportion equation
741,791.10 : 1,023,671.99 = 402,259.26 : x - Step 2: Convert to fraction form
741,791.10/1,023,671.99 = 402,259.26/x - Step 3: Cross multiply
741,791.10x = 1,023,671.99 × 402,259.26 - Step 4: Simplify right side
741,791.10x = 411,781,537,180.13 - Step 5: Solve for x
x = 411,781,537,180.13/741,791.10 - Step 6: Final answer
x = 555,117.93
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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.