Finding the Fourth Proportional to 997,896.36, 1,376,706.06 and 615,258.84
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Solution
The fourth proportional to 997,896.36, 1,376,706.06 and 615,258.84 is: 848,816.18
Step by Step Solution
- Step 1: Write the proportion equation
997,896.36 : 1,376,706.06 = 615,258.84 : x - Step 2: Convert to fraction form
997,896.36/1,376,706.06 = 615,258.84/x - Step 3: Cross multiply
997,896.36x = 1,376,706.06 × 615,258.84 - Step 4: Simplify right side
997,896.36x = 847,030,573,496.57 - Step 5: Solve for x
x = 847,030,573,496.57/997,896.36 - Step 6: Final answer
x = 848,816.18
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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.