Finding the Fourth Proportional to 414,280.26, 618,395.98 and 355,493.70
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Solution
The fourth proportional to 414,280.26, 618,395.98 and 355,493.70 is: 530,645.31
Step by Step Solution
- Step 1: Write the proportion equation
414,280.26 : 618,395.98 = 355,493.70 : x - Step 2: Convert to fraction form
414,280.26/618,395.98 = 355,493.70/x - Step 3: Cross multiply
414,280.26x = 618,395.98 × 355,493.70 - Step 4: Simplify right side
414,280.26x = 219,835,874,995.33 - Step 5: Solve for x
x = 219,835,874,995.33/414,280.26 - Step 6: Final answer
x = 530,645.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.