Finding the Fourth Proportional to 935,571.39, 1,291,420.29 and 553,597.26
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Solution
The fourth proportional to 935,571.39, 1,291,420.29 and 553,597.26 is: 764,160.54
Step by Step Solution
- Step 1: Write the proportion equation
935,571.39 : 1,291,420.29 = 553,597.26 : x - Step 2: Convert to fraction form
935,571.39/1,291,420.29 = 553,597.26/x - Step 3: Cross multiply
935,571.39x = 1,291,420.29 × 553,597.26 - Step 4: Simplify right side
935,571.39x = 714,926,734,052.41 - Step 5: Solve for x
x = 714,926,734,052.41/935,571.39 - Step 6: Final answer
x = 764,160.54
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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.