Finding the Fourth Proportional to 911,006.26, 1,257,188.75 and 508,598.26
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Solution
The fourth proportional to 911,006.26, 1,257,188.75 and 508,598.26 is: 701,865.66
Step by Step Solution
- Step 1: Write the proportion equation
911,006.26 : 1,257,188.75 = 508,598.26 : x - Step 2: Convert to fraction form
911,006.26/1,257,188.75 = 508,598.26/x - Step 3: Cross multiply
911,006.26x = 1,257,188.75 × 508,598.26 - Step 4: Simplify right side
911,006.26x = 639,404,006,962.86 - Step 5: Solve for x
x = 639,404,006,962.86/911,006.26 - Step 6: Final answer
x = 701,865.66
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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.