Finding the Fourth Proportional to 698,635.05, 1,047,952.58 and 486,058.65
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Solution
The fourth proportional to 698,635.05, 1,047,952.58 and 486,058.65 is: 729,087.98
Step by Step Solution
- Step 1: Write the proportion equation
698,635.05 : 1,047,952.58 = 486,058.65 : x - Step 2: Convert to fraction form
698,635.05/1,047,952.58 = 486,058.65/x - Step 3: Cross multiply
698,635.05x = 1,047,952.58 × 486,058.65 - Step 4: Simplify right side
698,635.05x = 509,366,413,868.52 - Step 5: Solve for x
x = 509,366,413,868.52/698,635.05 - Step 6: Final answer
x = 729,087.98
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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.