Finding the Fourth Proportional to 885,022.62, 1,220,889 and 558,739.98
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Solution
The fourth proportional to 885,022.62, 1,220,889 and 558,739.98 is: 770,781.99
Step by Step Solution
- Step 1: Write the proportion equation
885,022.62 : 1,220,889 = 558,739.98 : x - Step 2: Convert to fraction form
885,022.62/1,220,889 = 558,739.98/x - Step 3: Cross multiply
885,022.62x = 1,220,889 × 558,739.98 - Step 4: Simplify right side
885,022.62x = 682,159,495,442.22 - Step 5: Solve for x
x = 682,159,495,442.22/885,022.62 - Step 6: Final answer
x = 770,781.99
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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.