Finding the Fourth Proportional to 935,805.97, 1,291,416.13 and 506,086.11
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Solution
The fourth proportional to 935,805.97, 1,291,416.13 and 506,086.11 is: 698,400.93
Step by Step Solution
- Step 1: Write the proportion equation
935,805.97 : 1,291,416.13 = 506,086.11 : x - Step 2: Convert to fraction form
935,805.97/1,291,416.13 = 506,086.11/x - Step 3: Cross multiply
935,805.97x = 1,291,416.13 × 506,086.11 - Step 4: Simplify right side
935,805.97x = 653,567,756,635.44 - Step 5: Solve for x
x = 653,567,756,635.44/935,805.97 - Step 6: Final answer
x = 698,400.93
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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.