Finding the Fourth Proportional to 660,795.26, 911,898.26 and 358,989.26
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Solution
The fourth proportional to 660,795.26, 911,898.26 and 358,989.26 is: 495,405.61
Step by Step Solution
- Step 1: Write the proportion equation
660,795.26 : 911,898.26 = 358,989.26 : x - Step 2: Convert to fraction form
660,795.26/911,898.26 = 358,989.26/x - Step 3: Cross multiply
660,795.26x = 911,898.26 × 358,989.26 - Step 4: Simplify right side
660,795.26x = 327,361,681,552.69 - Step 5: Solve for x
x = 327,361,681,552.69/660,795.26 - Step 6: Final answer
x = 495,405.61
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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.