Finding the Fourth Proportional to 896,481.91, 1,344,710.36 and 511,409.06
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Solution
The fourth proportional to 896,481.91, 1,344,710.36 and 511,409.06 is: 767,106.45
Step by Step Solution
- Step 1: Write the proportion equation
896,481.91 : 1,344,710.36 = 511,409.06 : x - Step 2: Convert to fraction form
896,481.91/1,344,710.36 = 511,409.06/x - Step 3: Cross multiply
896,481.91x = 1,344,710.36 × 511,409.06 - Step 4: Simplify right side
896,481.91x = 687,697,060,777.50 - Step 5: Solve for x
x = 687,697,060,777.50/896,481.91 - Step 6: Final answer
x = 767,106.45
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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.