Finding the Fourth Proportional to 968,199.18, 1,336,162.19 and 538,470.08
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Solution
The fourth proportional to 968,199.18, 1,336,162.19 and 538,470.08 is: 743,115.03
Step by Step Solution
- Step 1: Write the proportion equation
968,199.18 : 1,336,162.19 = 538,470.08 : x - Step 2: Convert to fraction form
968,199.18/1,336,162.19 = 538,470.08/x - Step 3: Cross multiply
968,199.18x = 1,336,162.19 × 538,470.08 - Step 4: Simplify right side
968,199.18x = 719,483,358,649.93 - Step 5: Solve for x
x = 719,483,358,649.93/968,199.18 - Step 6: Final answer
x = 743,115.03
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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.