Finding the Fourth Proportional to 880,301.84, 1,214,845.42 and 498,320.40
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Solution
The fourth proportional to 880,301.84, 1,214,845.42 and 498,320.40 is: 687,698.50
Step by Step Solution
- Step 1: Write the proportion equation
880,301.84 : 1,214,845.42 = 498,320.40 : x - Step 2: Convert to fraction form
880,301.84/1,214,845.42 = 498,320.40/x - Step 3: Cross multiply
880,301.84x = 1,214,845.42 × 498,320.40 - Step 4: Simplify right side
880,301.84x = 605,382,255,632.57 - Step 5: Solve for x
x = 605,382,255,632.57/880,301.84 - Step 6: Final answer
x = 687,698.50
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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.