Finding the Fourth Proportional to 904,056.18, 1,355,542.98 and 305,004.07
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Solution
The fourth proportional to 904,056.18, 1,355,542.98 and 305,004.07 is: 457,323.49
Step by Step Solution
- Step 1: Write the proportion equation
904,056.18 : 1,355,542.98 = 305,004.07 : x - Step 2: Convert to fraction form
904,056.18/1,355,542.98 = 305,004.07/x - Step 3: Cross multiply
904,056.18x = 1,355,542.98 × 305,004.07 - Step 4: Simplify right side
904,056.18x = 413,446,125,959.93 - Step 5: Solve for x
x = 413,446,125,959.93/904,056.18 - Step 6: Final answer
x = 457,323.49
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1.5x scale
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.