Finding the Fourth Proportional to 926,351.54, 1,278,122.14 and 533,787.92
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Solution
The fourth proportional to 926,351.54, 1,278,122.14 and 533,787.92 is: 736,487.32
Step by Step Solution
- Step 1: Write the proportion equation
926,351.54 : 1,278,122.14 = 533,787.92 : x - Step 2: Convert to fraction form
926,351.54/1,278,122.14 = 533,787.92/x - Step 3: Cross multiply
926,351.54x = 1,278,122.14 × 533,787.92 - Step 4: Simplify right side
926,351.54x = 682,246,161,873.01 - Step 5: Solve for x
x = 682,246,161,873.01/926,351.54 - Step 6: Final answer
x = 736,487.32
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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.