Finding the Fourth Proportional to 578,452.60, 867,095.70 and 263,135.80
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Solution
The fourth proportional to 578,452.60, 867,095.70 and 263,135.80 is: 394,438.40
Step by Step Solution
- Step 1: Write the proportion equation
578,452.60 : 867,095.70 = 263,135.80 : x - Step 2: Convert to fraction form
578,452.60/867,095.70 = 263,135.80/x - Step 3: Cross multiply
578,452.60x = 867,095.70 × 263,135.80 - Step 4: Simplify right side
578,452.60x = 228,163,920,696.06 - Step 5: Solve for x
x = 228,163,920,696.06/578,452.60 - Step 6: Final answer
x = 394,438.40
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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.