Finding the Fourth Proportional to 746,246.70, 1,119,370.05 and 247,610.70
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Solution
The fourth proportional to 746,246.70, 1,119,370.05 and 247,610.70 is: 371,416.05
Step by Step Solution
- Step 1: Write the proportion equation
746,246.70 : 1,119,370.05 = 247,610.70 : x - Step 2: Convert to fraction form
746,246.70/1,119,370.05 = 247,610.70/x - Step 3: Cross multiply
746,246.70x = 1,119,370.05 × 247,610.70 - Step 4: Simplify right side
746,246.70x = 277,168,001,639.54 - Step 5: Solve for x
x = 277,168,001,639.54/746,246.70 - Step 6: Final answer
x = 371,416.05
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Double scale
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Similar ratio
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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.