Finding the Fourth Proportional to 835,432.09, 1,153,495.43 and 513,573.73
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Solution
The fourth proportional to 835,432.09, 1,153,495.43 and 513,573.73 is: 709,100.07
Step by Step Solution
- Step 1: Write the proportion equation
835,432.09 : 1,153,495.43 = 513,573.73 : x - Step 2: Convert to fraction form
835,432.09/1,153,495.43 = 513,573.73/x - Step 3: Cross multiply
835,432.09x = 1,153,495.43 × 513,573.73 - Step 4: Simplify right side
835,432.09x = 592,404,950,523.05 - Step 5: Solve for x
x = 592,404,950,523.05/835,432.09 - Step 6: Final answer
x = 709,100.07
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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.