Finding the Fourth Proportional to 865,038.68, 1,193,763.39 and 477,846.07
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Solution
The fourth proportional to 865,038.68, 1,193,763.39 and 477,846.07 is: 659,433.12
Step by Step Solution
- Step 1: Write the proportion equation
865,038.68 : 1,193,763.39 = 477,846.07 : x - Step 2: Convert to fraction form
865,038.68/1,193,763.39 = 477,846.07/x - Step 3: Cross multiply
865,038.68x = 1,193,763.39 × 477,846.07 - Step 4: Simplify right side
865,038.68x = 570,435,149,719.02 - Step 5: Solve for x
x = 570,435,149,719.02/865,038.68 - Step 6: Final answer
x = 659,433.12
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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.