Finding the Fourth Proportional to 814,855.74, 1,124,479.44 and 452,278.68
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Solution
The fourth proportional to 814,855.74, 1,124,479.44 and 452,278.68 is: 624,132.66
Step by Step Solution
- Step 1: Write the proportion equation
814,855.74 : 1,124,479.44 = 452,278.68 : x - Step 2: Convert to fraction form
814,855.74/1,124,479.44 = 452,278.68/x - Step 3: Cross multiply
814,855.74x = 1,124,479.44 × 452,278.68 - Step 4: Simplify right side
814,855.74x = 508,578,076,810.34 - Step 5: Solve for x
x = 508,578,076,810.34/814,855.74 - Step 6: Final answer
x = 624,132.66
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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.