Finding the Fourth Proportional to 888,426.18, 1,226,057.13 and 486,018.18
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Solution
The fourth proportional to 888,426.18, 1,226,057.13 and 486,018.18 is: 670,720.95
Step by Step Solution
- Step 1: Write the proportion equation
888,426.18 : 1,226,057.13 = 486,018.18 : x - Step 2: Convert to fraction form
888,426.18/1,226,057.13 = 486,018.18/x - Step 3: Cross multiply
888,426.18x = 1,226,057.13 × 486,018.18 - Step 4: Simplify right side
888,426.18x = 595,886,054,898.62 - Step 5: Solve for x
x = 595,886,054,898.62/888,426.18 - Step 6: Final answer
x = 670,720.95
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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.