Finding the Fourth Proportional to 660,577.14, 911,601.12 and 358,771.14
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Solution
The fourth proportional to 660,577.14, 911,601.12 and 358,771.14 is: 495,106.71
Step by Step Solution
- Step 1: Write the proportion equation
660,577.14 : 911,601.12 = 358,771.14 : x - Step 2: Convert to fraction form
660,577.14/911,601.12 = 358,771.14/x - Step 3: Cross multiply
660,577.14x = 911,601.12 × 358,771.14 - Step 4: Simplify right side
660,577.14x = 327,056,173,047.68 - Step 5: Solve for x
x = 327,056,173,047.68/660,577.14 - Step 6: Final answer
x = 495,106.71
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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.