Finding the Fourth Proportional to 536,612.80, 805,437.60 and 326,660.80
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Solution
The fourth proportional to 536,612.80, 805,437.60 and 326,660.80 is: 490,306.77
Step by Step Solution
- Step 1: Write the proportion equation
536,612.80 : 805,437.60 = 326,660.80 : x - Step 2: Convert to fraction form
536,612.80/805,437.60 = 326,660.80/x - Step 3: Cross multiply
536,612.80x = 805,437.60 × 326,660.80 - Step 4: Simplify right side
536,612.80x = 263,104,890,766.08 - Step 5: Solve for x
x = 263,104,890,766.08/536,612.80 - Step 6: Final answer
x = 490,306.77
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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.