Finding the Fourth Proportional to 840,202.54, 1,260,301.87 and 360,119.05
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Solution
The fourth proportional to 840,202.54, 1,260,301.87 and 360,119.05 is: 540,177.74
Step by Step Solution
- Step 1: Write the proportion equation
840,202.54 : 1,260,301.87 = 360,119.05 : x - Step 2: Convert to fraction form
840,202.54/1,260,301.87 = 360,119.05/x - Step 3: Cross multiply
840,202.54x = 1,260,301.87 × 360,119.05 - Step 4: Simplify right side
840,202.54x = 453,858,708,930.62 - Step 5: Solve for x
x = 453,858,708,930.62/840,202.54 - Step 6: Final answer
x = 540,177.74
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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.