Finding the Fourth Proportional to 527,176.71, 727,557.56 and 380,122.54
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Solution
The fourth proportional to 527,176.71, 727,557.56 and 380,122.54 is: 524,607.82
Step by Step Solution
- Step 1: Write the proportion equation
527,176.71 : 727,557.56 = 380,122.54 : x - Step 2: Convert to fraction form
527,176.71/727,557.56 = 380,122.54/x - Step 3: Cross multiply
527,176.71x = 727,557.56 × 380,122.54 - Step 4: Simplify right side
527,176.71x = 276,561,025,409.36 - Step 5: Solve for x
x = 276,561,025,409.36/527,176.71 - Step 6: Final answer
x = 524,607.82
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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.