Finding the Fourth Proportional to 955,279.79, 1,318,286.05 and 525,550.70
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Solution
The fourth proportional to 955,279.79, 1,318,286.05 and 525,550.70 is: 725,259.93
Step by Step Solution
- Step 1: Write the proportion equation
955,279.79 : 1,318,286.05 = 525,550.70 : x - Step 2: Convert to fraction form
955,279.79/1,318,286.05 = 525,550.70/x - Step 3: Cross multiply
955,279.79x = 1,318,286.05 × 525,550.70 - Step 4: Simplify right side
955,279.79x = 692,826,156,377.74 - Step 5: Solve for x
x = 692,826,156,377.74/955,279.79 - Step 6: Final answer
x = 725,259.93
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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.