Finding the Fourth Proportional to 752,970.24, 1,039,192.56 and 430,635.60
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Solution
The fourth proportional to 752,970.24, 1,039,192.56 and 430,635.60 is: 594,330.68
Step by Step Solution
- Step 1: Write the proportion equation
752,970.24 : 1,039,192.56 = 430,635.60 : x - Step 2: Convert to fraction form
752,970.24/1,039,192.56 = 430,635.60/x - Step 3: Cross multiply
752,970.24x = 1,039,192.56 × 430,635.60 - Step 4: Simplify right side
752,970.24x = 447,513,311,591.14 - Step 5: Solve for x
x = 447,513,311,591.14/752,970.24 - Step 6: Final answer
x = 594,330.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.