Finding the Fourth Proportional to 734,886.81, 1,014,193.66 and 408,237.10
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Solution
The fourth proportional to 734,886.81, 1,014,193.66 and 408,237.10 is: 563,394.89
Step by Step Solution
- Step 1: Write the proportion equation
734,886.81 : 1,014,193.66 = 408,237.10 : x - Step 2: Convert to fraction form
734,886.81/1,014,193.66 = 408,237.10/x - Step 3: Cross multiply
734,886.81x = 1,014,193.66 × 408,237.10 - Step 4: Simplify right side
734,886.81x = 414,031,475,806.15 - Step 5: Solve for x
x = 414,031,475,806.15/734,886.81 - Step 6: Final answer
x = 563,394.89
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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.