Finding the Fourth Proportional to 906,800.96, 1,358,625.12 and 636,355.52
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Solution
The fourth proportional to 906,800.96, 1,358,625.12 and 636,355.52 is: 953,427.08
Step by Step Solution
- Step 1: Write the proportion equation
906,800.96 : 1,358,625.12 = 636,355.52 : x - Step 2: Convert to fraction form
906,800.96/1,358,625.12 = 636,355.52/x - Step 3: Cross multiply
906,800.96x = 1,358,625.12 × 636,355.52 - Step 4: Simplify right side
906,800.96x = 864,568,594,722.66 - Step 5: Solve for x
x = 864,568,594,722.66/906,800.96 - Step 6: Final answer
x = 953,427.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.