Finding the Fourth Proportional to 755,303.97, 1,042,332.77 and 411,149.79
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Solution
The fourth proportional to 755,303.97, 1,042,332.77 and 411,149.79 is: 567,393.94
Step by Step Solution
- Step 1: Write the proportion equation
755,303.97 : 1,042,332.77 = 411,149.79 : x - Step 2: Convert to fraction form
755,303.97/1,042,332.77 = 411,149.79/x - Step 3: Cross multiply
755,303.97x = 1,042,332.77 × 411,149.79 - Step 4: Simplify right side
755,303.97x = 428,554,897,439.87 - Step 5: Solve for x
x = 428,554,897,439.87/755,303.97 - Step 6: Final answer
x = 567,393.94
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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.