Finding the Fourth Proportional to 840,465.68, 1,159,837.28 and 477,889.53
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Solution
The fourth proportional to 840,465.68, 1,159,837.28 and 477,889.53 is: 659,484.51
Step by Step Solution
- Step 1: Write the proportion equation
840,465.68 : 1,159,837.28 = 477,889.53 : x - Step 2: Convert to fraction form
840,465.68/1,159,837.28 = 477,889.53/x - Step 3: Cross multiply
840,465.68x = 1,159,837.28 × 477,889.53 - Step 4: Simplify right side
840,465.68x = 554,274,095,824.04 - Step 5: Solve for x
x = 554,274,095,824.04/840,465.68 - Step 6: Final answer
x = 659,484.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.