Finding the Fourth Proportional to 787,795.11, 1,087,095.83 and 465,444.09
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Solution
The fourth proportional to 787,795.11, 1,087,095.83 and 465,444.09 is: 642,276.55
Step by Step Solution
- Step 1: Write the proportion equation
787,795.11 : 1,087,095.83 = 465,444.09 : x - Step 2: Convert to fraction form
787,795.11/1,087,095.83 = 465,444.09/x - Step 3: Cross multiply
787,795.11x = 1,087,095.83 × 465,444.09 - Step 4: Simplify right side
787,795.11x = 505,982,327,009.92 - Step 5: Solve for x
x = 505,982,327,009.92/787,795.11 - Step 6: Final answer
x = 642,276.55
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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.