Finding the Fourth Proportional to 801,182.01, 1,105,631.10 and 438,604.74
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Solution
The fourth proportional to 801,182.01, 1,105,631.10 and 438,604.74 is: 605,274.50
Step by Step Solution
- Step 1: Write the proportion equation
801,182.01 : 1,105,631.10 = 438,604.74 : x - Step 2: Convert to fraction form
801,182.01/1,105,631.10 = 438,604.74/x - Step 3: Cross multiply
801,182.01x = 1,105,631.10 × 438,604.74 - Step 4: Simplify right side
801,182.01x = 484,935,041,151.41 - Step 5: Solve for x
x = 484,935,041,151.41/801,182.01 - Step 6: Final answer
x = 605,274.50
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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.