Finding the Fourth Proportional to 814,637.05, 1,124,182.09 and 452,057.96
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Solution
The fourth proportional to 814,637.05, 1,124,182.09 and 452,057.96 is: 623,830.54
Step by Step Solution
- Step 1: Write the proportion equation
814,637.05 : 1,124,182.09 = 452,057.96 : x - Step 2: Convert to fraction form
814,637.05/1,124,182.09 = 452,057.96/x - Step 3: Cross multiply
814,637.05x = 1,124,182.09 × 452,057.96 - Step 4: Simplify right side
814,637.05x = 508,195,465,649.46 - Step 5: Solve for x
x = 508,195,465,649.46/814,637.05 - Step 6: Final answer
x = 623,830.54
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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.