Finding the Fourth Proportional to 734,223.87, 1,013,289.99 and 407,567.61
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Solution
The fourth proportional to 734,223.87, 1,013,289.99 and 407,567.61 is: 562,477.19
Step by Step Solution
- Step 1: Write the proportion equation
734,223.87 : 1,013,289.99 = 407,567.61 : x - Step 2: Convert to fraction form
734,223.87/1,013,289.99 = 407,567.61/x - Step 3: Cross multiply
734,223.87x = 1,013,289.99 × 407,567.61 - Step 4: Simplify right side
734,223.87x = 412,984,179,461.22 - Step 5: Solve for x
x = 412,984,179,461.22/734,223.87 - Step 6: Final answer
x = 562,477.19
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1.5x scale
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.