Finding the Fourth Proportional to 949,358.48, 1,310,118.88 and 513,775.88
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Solution
The fourth proportional to 949,358.48, 1,310,118.88 and 513,775.88 is: 709,012.98
Step by Step Solution
- Step 1: Write the proportion equation
949,358.48 : 1,310,118.88 = 513,775.88 : x - Step 2: Convert to fraction form
949,358.48/1,310,118.88 = 513,775.88/x - Step 3: Cross multiply
949,358.48x = 1,310,118.88 × 513,775.88 - Step 4: Simplify right side
949,358.48x = 673,107,480,476.61 - Step 5: Solve for x
x = 673,107,480,476.61/949,358.48 - Step 6: Final answer
x = 709,012.98
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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.