Finding the Fourth Proportional to 746,252.28, 1,119,373.38 and 213,775.26
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Solution
The fourth proportional to 746,252.28, 1,119,373.38 and 213,775.26 is: 320,661.45
Step by Step Solution
- Step 1: Write the proportion equation
746,252.28 : 1,119,373.38 = 213,775.26 : x - Step 2: Convert to fraction form
746,252.28/1,119,373.38 = 213,775.26/x - Step 3: Cross multiply
746,252.28x = 1,119,373.38 × 213,775.26 - Step 4: Simplify right side
746,252.28x = 239,294,335,346.58 - Step 5: Solve for x
x = 239,294,335,346.58/746,252.28 - Step 6: Final answer
x = 320,661.45
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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.