Finding the Fourth Proportional to 748,410.74, 1,032,807.84 and 426,120.98
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Solution
The fourth proportional to 748,410.74, 1,032,807.84 and 426,120.98 is: 588,047.53
Step by Step Solution
- Step 1: Write the proportion equation
748,410.74 : 1,032,807.84 = 426,120.98 : x - Step 2: Convert to fraction form
748,410.74/1,032,807.84 = 426,120.98/x - Step 3: Cross multiply
748,410.74x = 1,032,807.84 × 426,120.98 - Step 4: Simplify right side
748,410.74x = 440,101,088,932.48 - Step 5: Solve for x
x = 440,101,088,932.48/748,410.74 - Step 6: Final answer
x = 588,047.53
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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.