Finding the Fourth Proportional to 835,772.99, 1,153,368.21 and 453,799.77
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Solution
The fourth proportional to 835,772.99, 1,153,368.21 and 453,799.77 is: 626,244.49
Step by Step Solution
- Step 1: Write the proportion equation
835,772.99 : 1,153,368.21 = 453,799.77 : x - Step 2: Convert to fraction form
835,772.99/1,153,368.21 = 453,799.77/x - Step 3: Cross multiply
835,772.99x = 1,153,368.21 × 453,799.77 - Step 4: Simplify right side
835,772.99x = 523,398,225,799.93 - Step 5: Solve for x
x = 523,398,225,799.93/835,772.99 - Step 6: Final answer
x = 626,244.49
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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.