Finding the Fourth Proportional to 519,207.71, 716,506.56 and 286,634.63
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Solution
The fourth proportional to 519,207.71, 716,506.56 and 286,634.63 is: 395,555.75
Step by Step Solution
- Step 1: Write the proportion equation
519,207.71 : 716,506.56 = 286,634.63 : x - Step 2: Convert to fraction form
519,207.71/716,506.56 = 286,634.63/x - Step 3: Cross multiply
519,207.71x = 716,506.56 × 286,634.63 - Step 4: Simplify right side
519,207.71x = 205,375,594,509.44 - Step 5: Solve for x
x = 205,375,594,509.44/519,207.71 - Step 6: Final answer
x = 395,555.75
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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.