Finding the Fourth Proportional to 994,437.95, 1,372,288.08 and 607,900.75
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Solution
The fourth proportional to 994,437.95, 1,372,288.08 and 607,900.75 is: 838,880.85
Step by Step Solution
- Step 1: Write the proportion equation
994,437.95 : 1,372,288.08 = 607,900.75 : x - Step 2: Convert to fraction form
994,437.95/1,372,288.08 = 607,900.75/x - Step 3: Cross multiply
994,437.95x = 1,372,288.08 × 607,900.75 - Step 4: Simplify right side
994,437.95x = 834,214,953,048.06 - Step 5: Solve for x
x = 834,214,953,048.06/994,437.95 - Step 6: Final answer
x = 838,880.85
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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.