Finding the Fourth Proportional to 830,756.64, 1,146,477.84 and 468,195.68
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Solution
The fourth proportional to 830,756.64, 1,146,477.84 and 468,195.68 is: 646,129.02
Step by Step Solution
- Step 1: Write the proportion equation
830,756.64 : 1,146,477.84 = 468,195.68 : x - Step 2: Convert to fraction form
830,756.64/1,146,477.84 = 468,195.68/x - Step 3: Cross multiply
830,756.64x = 1,146,477.84 × 468,195.68 - Step 4: Simplify right side
830,756.64x = 536,775,971,903.73 - Step 5: Solve for x
x = 536,775,971,903.73/830,756.64 - Step 6: Final answer
x = 646,129.02
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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.