Finding the Fourth Proportional to 906,787.80, 1,360,257.84 and 275,707.08
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Solution
The fourth proportional to 906,787.80, 1,360,257.84 and 275,707.08 is: 413,583.77
Step by Step Solution
- Step 1: Write the proportion equation
906,787.80 : 1,360,257.84 = 275,707.08 : x - Step 2: Convert to fraction form
906,787.80/1,360,257.84 = 275,707.08/x - Step 3: Cross multiply
906,787.80x = 1,360,257.84 × 275,707.08 - Step 4: Simplify right side
906,787.80x = 375,032,717,113.51 - Step 5: Solve for x
x = 375,032,717,113.51/906,787.80 - Step 6: Final answer
x = 413,583.77
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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.