Finding the Fourth Proportional to 814,853.76, 1,124,476.68 and 452,276.68
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Solution
The fourth proportional to 814,853.76, 1,124,476.68 and 452,276.68 is: 624,129.88
Step by Step Solution
- Step 1: Write the proportion equation
814,853.76 : 1,124,476.68 = 452,276.68 : x - Step 2: Convert to fraction form
814,853.76/1,124,476.68 = 452,276.68/x - Step 3: Cross multiply
814,853.76x = 1,124,476.68 × 452,276.68 - Step 4: Simplify right side
814,853.76x = 508,574,579,567.82 - Step 5: Solve for x
x = 508,574,579,567.82/814,853.76 - Step 6: Final answer
x = 624,129.88
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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.