Finding the Fourth Proportional to 862,905.59, 1,294,076.66 and 286,373.99
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Solution
The fourth proportional to 862,905.59, 1,294,076.66 and 286,373.99 is: 429,467.49
Step by Step Solution
- Step 1: Write the proportion equation
862,905.59 : 1,294,076.66 = 286,373.99 : x - Step 2: Convert to fraction form
862,905.59/1,294,076.66 = 286,373.99/x - Step 3: Cross multiply
862,905.59x = 1,294,076.66 × 286,373.99 - Step 4: Simplify right side
862,905.59x = 370,589,898,293.40 - Step 5: Solve for x
x = 370,589,898,293.40/862,905.59 - Step 6: Final answer
x = 429,467.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.