Finding the Fourth Proportional to 750,900.80, 1,125,853.05 and 414,102.80
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Solution
The fourth proportional to 750,900.80, 1,125,853.05 and 414,102.80 is: 620,879.48
Step by Step Solution
- Step 1: Write the proportion equation
750,900.80 : 1,125,853.05 = 414,102.80 : x - Step 2: Convert to fraction form
750,900.80/1,125,853.05 = 414,102.80/x - Step 3: Cross multiply
750,900.80x = 1,125,853.05 × 414,102.80 - Step 4: Simplify right side
750,900.80x = 466,218,900,393.54 - Step 5: Solve for x
x = 466,218,900,393.54/750,900.80 - Step 6: Final answer
x = 620,879.48
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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.