Finding the Fourth Proportional to 888,910.08, 1,226,725.20 and 486,502.08
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Solution
The fourth proportional to 888,910.08, 1,226,725.20 and 486,502.08 is: 671,388.90
Step by Step Solution
- Step 1: Write the proportion equation
888,910.08 : 1,226,725.20 = 486,502.08 : x - Step 2: Convert to fraction form
888,910.08/1,226,725.20 = 486,502.08/x - Step 3: Cross multiply
888,910.08x = 1,226,725.20 × 486,502.08 - Step 4: Simplify right side
888,910.08x = 596,804,361,388.42 - Step 5: Solve for x
x = 596,804,361,388.42/888,910.08 - Step 6: Final answer
x = 671,388.90
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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.