Finding the Fourth Proportional to 988,396.24, 1,482,594.36 and 240,435.76
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Solution
The fourth proportional to 988,396.24, 1,482,594.36 and 240,435.76 is: 360,653.64
Step by Step Solution
- Step 1: Write the proportion equation
988,396.24 : 1,482,594.36 = 240,435.76 : x - Step 2: Convert to fraction form
988,396.24/1,482,594.36 = 240,435.76/x - Step 3: Cross multiply
988,396.24x = 1,482,594.36 × 240,435.76 - Step 4: Simplify right side
988,396.24x = 356,468,701,718.31 - Step 5: Solve for x
x = 356,468,701,718.31/988,396.24 - Step 6: Final answer
x = 360,653.64
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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.