Finding the Fourth Proportional to 725,966.08, 1,088,948.78 and 220,525.09
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Solution
The fourth proportional to 725,966.08, 1,088,948.78 and 220,525.09 is: 330,787.53
Step by Step Solution
- Step 1: Write the proportion equation
725,966.08 : 1,088,948.78 = 220,525.09 : x - Step 2: Convert to fraction form
725,966.08/1,088,948.78 = 220,525.09/x - Step 3: Cross multiply
725,966.08x = 1,088,948.78 × 220,525.09 - Step 4: Simplify right side
725,966.08x = 240,140,527,714.89 - Step 5: Solve for x
x = 240,140,527,714.89/725,966.08 - Step 6: Final answer
x = 330,787.53
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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.