Finding the Fourth Proportional to 995,435.75, 1,373,702.69 and 542,726.75
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Solution
The fourth proportional to 995,435.75, 1,373,702.69 and 542,726.75 is: 748,963.66
Step by Step Solution
- Step 1: Write the proportion equation
995,435.75 : 1,373,702.69 = 542,726.75 : x - Step 2: Convert to fraction form
995,435.75/1,373,702.69 = 542,726.75/x - Step 3: Cross multiply
995,435.75x = 1,373,702.69 × 542,726.75 - Step 4: Simplify right side
995,435.75x = 745,545,201,201.03 - Step 5: Solve for x
x = 745,545,201,201.03/995,435.75 - Step 6: Final answer
x = 748,963.66
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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.