Finding the Fourth Proportional to 814,823.62, 1,124,434.98 and 452,238.12
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Solution
The fourth proportional to 814,823.62, 1,124,434.98 and 452,238.12 is: 624,076.61
Step by Step Solution
- Step 1: Write the proportion equation
814,823.62 : 1,124,434.98 = 452,238.12 : x - Step 2: Convert to fraction form
814,823.62/1,124,434.98 = 452,238.12/x - Step 3: Cross multiply
814,823.62x = 1,124,434.98 × 452,238.12 - Step 4: Simplify right side
814,823.62x = 508,512,361,417.44 - Step 5: Solve for x
x = 508,512,361,417.44/814,823.62 - Step 6: Final answer
x = 624,076.61
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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.