Finding the Fourth Proportional to 540,077.95, 809,356.33 and 413,227.09
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Solution
The fourth proportional to 540,077.95, 809,356.33 and 413,227.09 is: 619,258.68
Step by Step Solution
- Step 1: Write the proportion equation
540,077.95 : 809,356.33 = 413,227.09 : x - Step 2: Convert to fraction form
540,077.95/809,356.33 = 413,227.09/x - Step 3: Cross multiply
540,077.95x = 809,356.33 × 413,227.09 - Step 4: Simplify right side
540,077.95x = 334,447,961,018.98 - Step 5: Solve for x
x = 334,447,961,018.98/540,077.95 - Step 6: Final answer
x = 619,258.68
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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.