Finding the Fourth Proportional to 835,780.08, 1,153,344.16 and 453,798.12
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Solution
The fourth proportional to 835,780.08, 1,153,344.16 and 453,798.12 is: 626,223.84
Step by Step Solution
- Step 1: Write the proportion equation
835,780.08 : 1,153,344.16 = 453,798.12 : x - Step 2: Convert to fraction form
835,780.08/1,153,344.16 = 453,798.12/x - Step 3: Cross multiply
835,780.08x = 1,153,344.16 × 453,798.12 - Step 4: Simplify right side
835,780.08x = 523,385,411,520.98 - Step 5: Solve for x
x = 523,385,411,520.98/835,780.08 - Step 6: Final answer
x = 626,223.84
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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.