Finding the Fourth Proportional to 748,367.88, 1,032,795.20 and 426,106.12
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Solution
The fourth proportional to 748,367.88, 1,032,795.20 and 426,106.12 is: 588,053.51
Step by Step Solution
- Step 1: Write the proportion equation
748,367.88 : 1,032,795.20 = 426,106.12 : x - Step 2: Convert to fraction form
748,367.88/1,032,795.20 = 426,106.12/x - Step 3: Cross multiply
748,367.88x = 1,032,795.20 × 426,106.12 - Step 4: Simplify right side
748,367.88x = 440,080,355,426.62 - Step 5: Solve for x
x = 440,080,355,426.62/748,367.88 - Step 6: Final answer
x = 588,053.51
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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.