Finding the Fourth Proportional to 660,004.14, 910,805.70 and 358,198.14
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Solution
The fourth proportional to 660,004.14, 910,805.70 and 358,198.14 is: 494,313.43
Step by Step Solution
- Step 1: Write the proportion equation
660,004.14 : 910,805.70 = 358,198.14 : x - Step 2: Convert to fraction form
660,004.14/910,805.70 = 358,198.14/x - Step 3: Cross multiply
660,004.14x = 910,805.70 × 358,198.14 - Step 4: Simplify right side
660,004.14x = 326,248,907,641.40 - Step 5: Solve for x
x = 326,248,907,641.40/660,004.14 - Step 6: Final answer
x = 494,313.43
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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.