Finding the Fourth Proportional to 865,442.16, 1,296,400.68 and 706,086
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Solution
The fourth proportional to 865,442.16, 1,296,400.68 and 706,086 is: 1,057,690.98
Step by Step Solution
- Step 1: Write the proportion equation
865,442.16 : 1,296,400.68 = 706,086 : x - Step 2: Convert to fraction form
865,442.16/1,296,400.68 = 706,086/x - Step 3: Cross multiply
865,442.16x = 1,296,400.68 × 706,086 - Step 4: Simplify right side
865,442.16x = 915,370,370,538.48 - Step 5: Solve for x
x = 915,370,370,538.48/865,442.16 - Step 6: Final answer
x = 1,057,690.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.