Finding the Fourth Proportional to 949,607.28, 1,310,408.28 and 519,805.08
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Solution
The fourth proportional to 949,607.28, 1,310,408.28 and 519,805.08 is: 717,303.77
Step by Step Solution
- Step 1: Write the proportion equation
949,607.28 : 1,310,408.28 = 519,805.08 : x - Step 2: Convert to fraction form
949,607.28/1,310,408.28 = 519,805.08/x - Step 3: Cross multiply
949,607.28x = 1,310,408.28 × 519,805.08 - Step 4: Simplify right side
949,607.28x = 681,156,880,818.06 - Step 5: Solve for x
x = 681,156,880,818.06/949,607.28 - Step 6: Final answer
x = 717,303.77
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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.