Finding the Fourth Proportional to 856,826.36, 1,182,420.38 and 474,877.74
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Solution
The fourth proportional to 856,826.36, 1,182,420.38 and 474,877.74 is: 655,331.28
Step by Step Solution
- Step 1: Write the proportion equation
856,826.36 : 1,182,420.38 = 474,877.74 : x - Step 2: Convert to fraction form
856,826.36/1,182,420.38 = 474,877.74/x - Step 3: Cross multiply
856,826.36x = 1,182,420.38 × 474,877.74 - Step 4: Simplify right side
856,826.36x = 561,505,115,409.95 - Step 5: Solve for x
x = 561,505,115,409.95/856,826.36 - Step 6: Final answer
x = 655,331.28
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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.