Finding the Fourth Proportional to 814,220.10, 1,221,330.15 and 562,277.70
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Solution
The fourth proportional to 814,220.10, 1,221,330.15 and 562,277.70 is: 843,416.55
Step by Step Solution
- Step 1: Write the proportion equation
814,220.10 : 1,221,330.15 = 562,277.70 : x - Step 2: Convert to fraction form
814,220.10/1,221,330.15 = 562,277.70/x - Step 3: Cross multiply
814,220.10x = 1,221,330.15 × 562,277.70 - Step 4: Simplify right side
814,220.10x = 686,726,707,682.66 - Step 5: Solve for x
x = 686,726,707,682.66/814,220.10 - Step 6: Final answer
x = 843,416.55
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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.