Finding the Fourth Proportional to 879,527.08, 1,213,749.68 and 477,119.08
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Solution
The fourth proportional to 879,527.08, 1,213,749.68 and 477,119.08 is: 658,425.58
Step by Step Solution
- Step 1: Write the proportion equation
879,527.08 : 1,213,749.68 = 477,119.08 : x - Step 2: Convert to fraction form
879,527.08/1,213,749.68 = 477,119.08/x - Step 3: Cross multiply
879,527.08x = 1,213,749.68 × 477,119.08 - Step 4: Simplify right side
879,527.08x = 579,103,130,671.89 - Step 5: Solve for x
x = 579,103,130,671.89/879,527.08 - Step 6: Final answer
x = 658,425.58
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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.