Finding the Fourth Proportional to 912,033.04, 1,258,605.87 and 498,571.62
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Solution
The fourth proportional to 912,033.04, 1,258,605.87 and 498,571.62 is: 688,028.99
Step by Step Solution
- Step 1: Write the proportion equation
912,033.04 : 1,258,605.87 = 498,571.62 : x - Step 2: Convert to fraction form
912,033.04/1,258,605.87 = 498,571.62/x - Step 3: Cross multiply
912,033.04x = 1,258,605.87 × 498,571.62 - Step 4: Simplify right side
912,033.04x = 627,505,165,054.55 - Step 5: Solve for x
x = 627,505,165,054.55/912,033.04 - Step 6: Final answer
x = 688,028.99
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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.