Finding the Fourth Proportional to 550,261.80, 825,392.70 and 497,117.70
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Solution
The fourth proportional to 550,261.80, 825,392.70 and 497,117.70 is: 745,676.55
Step by Step Solution
- Step 1: Write the proportion equation
550,261.80 : 825,392.70 = 497,117.70 : x - Step 2: Convert to fraction form
550,261.80/825,392.70 = 497,117.70/x - Step 3: Cross multiply
550,261.80x = 825,392.70 × 497,117.70 - Step 4: Simplify right side
550,261.80x = 410,317,320,620.79 - Step 5: Solve for x
x = 410,317,320,620.79/550,261.80 - Step 6: Final answer
x = 745,676.55
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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.