Finding the Fourth Proportional to 734,969.69, 1,014,308.31 and 408,320.99
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Solution
The fourth proportional to 734,969.69, 1,014,308.31 and 408,320.99 is: 563,510.82
Step by Step Solution
- Step 1: Write the proportion equation
734,969.69 : 1,014,308.31 = 408,320.99 : x - Step 2: Convert to fraction form
734,969.69/1,014,308.31 = 408,320.99/x - Step 3: Cross multiply
734,969.69x = 1,014,308.31 × 408,320.99 - Step 4: Simplify right side
734,969.69x = 414,163,368,232.89 - Step 5: Solve for x
x = 414,163,368,232.89/734,969.69 - Step 6: Final answer
x = 563,510.82
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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.