Finding the Fourth Proportional to 587,292.70, 880,939.05 and 410,145.70
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Solution
The fourth proportional to 587,292.70, 880,939.05 and 410,145.70 is: 615,218.55
Step by Step Solution
- Step 1: Write the proportion equation
587,292.70 : 880,939.05 = 410,145.70 : x - Step 2: Convert to fraction form
587,292.70/880,939.05 = 410,145.70/x - Step 3: Cross multiply
587,292.70x = 880,939.05 × 410,145.70 - Step 4: Simplify right side
587,292.70x = 361,313,363,319.59 - Step 5: Solve for x
x = 361,313,363,319.59/587,292.70 - Step 6: Final answer
x = 615,218.55
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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.