Finding the Fourth Proportional to 639,077.88, 957,703.36 and 469,265.84
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Solution
The fourth proportional to 639,077.88, 957,703.36 and 469,265.84 is: 703,228.02
Step by Step Solution
- Step 1: Write the proportion equation
639,077.88 : 957,703.36 = 469,265.84 : x - Step 2: Convert to fraction form
639,077.88/957,703.36 = 469,265.84/x - Step 3: Cross multiply
639,077.88x = 957,703.36 × 469,265.84 - Step 4: Simplify right side
639,077.88x = 449,417,471,701.22 - Step 5: Solve for x
x = 449,417,471,701.22/639,077.88 - Step 6: Final answer
x = 703,228.02
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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.