Finding the Fourth Proportional to 847,062.18, 1,168,947.09 and 465,113.34
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Solution
The fourth proportional to 847,062.18, 1,168,947.09 and 465,113.34 is: 641,857.11
Step by Step Solution
- Step 1: Write the proportion equation
847,062.18 : 1,168,947.09 = 465,113.34 : x - Step 2: Convert to fraction form
847,062.18/1,168,947.09 = 465,113.34/x - Step 3: Cross multiply
847,062.18x = 1,168,947.09 × 465,113.34 - Step 4: Simplify right side
847,062.18x = 543,692,885,313.18 - Step 5: Solve for x
x = 543,692,885,313.18/847,062.18 - Step 6: Final answer
x = 641,857.11
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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.