Finding the Fourth Proportional to 864,130.60, 1,296,195.90 and 548,813.80
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Solution
The fourth proportional to 864,130.60, 1,296,195.90 and 548,813.80 is: 823,220.70
Step by Step Solution
- Step 1: Write the proportion equation
864,130.60 : 1,296,195.90 = 548,813.80 : x - Step 2: Convert to fraction form
864,130.60/1,296,195.90 = 548,813.80/x - Step 3: Cross multiply
864,130.60x = 1,296,195.90 × 548,813.80 - Step 4: Simplify right side
864,130.60x = 711,370,197,423.42 - Step 5: Solve for x
x = 711,370,197,423.42/864,130.60 - Step 6: Final answer
x = 823,220.70
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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.