Finding the Fourth Proportional to 746,251.70, 1,119,377.55 and 247,615.70
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Solution
The fourth proportional to 746,251.70, 1,119,377.55 and 247,615.70 is: 371,423.55
Step by Step Solution
- Step 1: Write the proportion equation
746,251.70 : 1,119,377.55 = 247,615.70 : x - Step 2: Convert to fraction form
746,251.70/1,119,377.55 = 247,615.70/x - Step 3: Cross multiply
746,251.70x = 1,119,377.55 × 247,615.70 - Step 4: Simplify right side
746,251.70x = 277,175,455,607.54 - Step 5: Solve for x
x = 277,175,455,607.54/746,251.70 - Step 6: Final answer
x = 371,423.55
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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.