Finding the Fourth Proportional to 888,432.70, 1,226,066.11 and 486,024.70
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Solution
The fourth proportional to 888,432.70, 1,226,066.11 and 486,024.70 is: 670,729.94
Step by Step Solution
- Step 1: Write the proportion equation
888,432.70 : 1,226,066.11 = 486,024.70 : x - Step 2: Convert to fraction form
888,432.70/1,226,066.11 = 486,024.70/x - Step 3: Cross multiply
888,432.70x = 1,226,066.11 × 486,024.70 - Step 4: Simplify right side
888,432.70x = 595,898,413,292.92 - Step 5: Solve for x
x = 595,898,413,292.92/888,432.70 - Step 6: Final answer
x = 670,729.94
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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.