Finding the Fourth Proportional to 733,102.30, 1,011,639.45 and 427,228.48
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Solution
The fourth proportional to 733,102.30, 1,011,639.45 and 427,228.48 is: 589,550.99
Step by Step Solution
- Step 1: Write the proportion equation
733,102.30 : 1,011,639.45 = 427,228.48 : x - Step 2: Convert to fraction form
733,102.30/1,011,639.45 = 427,228.48/x - Step 3: Cross multiply
733,102.30x = 1,011,639.45 × 427,228.48 - Step 4: Simplify right side
733,102.30x = 432,201,180,506.14 - Step 5: Solve for x
x = 432,201,180,506.14/733,102.30 - Step 6: Final answer
x = 589,550.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.