Finding the Fourth Proportional to 814,854.76, 1,124,478.06 and 452,277.68
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Solution
The fourth proportional to 814,854.76, 1,124,478.06 and 452,277.68 is: 624,131.26
Step by Step Solution
- Step 1: Write the proportion equation
814,854.76 : 1,124,478.06 = 452,277.68 : x - Step 2: Convert to fraction form
814,854.76/1,124,478.06 = 452,277.68/x - Step 3: Cross multiply
814,854.76x = 1,124,478.06 × 452,277.68 - Step 4: Simplify right side
814,854.76x = 508,576,328,187.70 - Step 5: Solve for x
x = 508,576,328,187.70/814,854.76 - Step 6: Final answer
x = 624,131.26
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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.