Finding the Fourth Proportional to 550,387.68, 758,831.85 and 356,452.71
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Solution
The fourth proportional to 550,387.68, 758,831.85 and 356,452.71 is: 491,449.35
Step by Step Solution
- Step 1: Write the proportion equation
550,387.68 : 758,831.85 = 356,452.71 : x - Step 2: Convert to fraction form
550,387.68/758,831.85 = 356,452.71/x - Step 3: Cross multiply
550,387.68x = 758,831.85 × 356,452.71 - Step 4: Simplify right side
550,387.68x = 270,487,669,366.81 - Step 5: Solve for x
x = 270,487,669,366.81/550,387.68 - Step 6: Final answer
x = 491,449.35
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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.