Finding the Fourth Proportional to 888,027.06, 1,331,207.91 and 432,518.70
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Solution
The fourth proportional to 888,027.06, 1,331,207.91 and 432,518.70 is: 648,372.49
Step by Step Solution
- Step 1: Write the proportion equation
888,027.06 : 1,331,207.91 = 432,518.70 : x - Step 2: Convert to fraction form
888,027.06/1,331,207.91 = 432,518.70/x - Step 3: Cross multiply
888,027.06x = 1,331,207.91 × 432,518.70 - Step 4: Simplify right side
888,027.06x = 575,772,314,662.92 - Step 5: Solve for x
x = 575,772,314,662.92/888,027.06 - Step 6: Final answer
x = 648,372.49
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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.