Finding the Fourth Proportional to 893,625.70, 1,340,438.55 and 834,139.30
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Solution
The fourth proportional to 893,625.70, 1,340,438.55 and 834,139.30 is: 1,251,208.95
Step by Step Solution
- Step 1: Write the proportion equation
893,625.70 : 1,340,438.55 = 834,139.30 : x - Step 2: Convert to fraction form
893,625.70/1,340,438.55 = 834,139.30/x - Step 3: Cross multiply
893,625.70x = 1,340,438.55 × 834,139.30 - Step 4: Simplify right side
893,625.70x = 1,118,112,473,790.02 - Step 5: Solve for x
x = 1,118,112,473,790.02/893,625.70 - Step 6: Final answer
x = 1,251,208.95
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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.