Finding the Fourth Proportional to 839,409.24, 1,258,902.18 and 240,374.28
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Solution
The fourth proportional to 839,409.24, 1,258,902.18 and 240,374.28 is: 360,500.80
Step by Step Solution
- Step 1: Write the proportion equation
839,409.24 : 1,258,902.18 = 240,374.28 : x - Step 2: Convert to fraction form
839,409.24/1,258,902.18 = 240,374.28/x - Step 3: Cross multiply
839,409.24x = 1,258,902.18 × 240,374.28 - Step 4: Simplify right side
839,409.24x = 302,607,705,107.93 - Step 5: Solve for x
x = 302,607,705,107.93/839,409.24 - Step 6: Final answer
x = 360,500.80
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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.