Finding the Fourth Proportional to 519,107.13, 778,582.94 and 430,927.29
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Solution
The fourth proportional to 519,107.13, 778,582.94 and 430,927.29 is: 646,326.38
Step by Step Solution
- Step 1: Write the proportion equation
519,107.13 : 778,582.94 = 430,927.29 : x - Step 2: Convert to fraction form
519,107.13/778,582.94 = 430,927.29/x - Step 3: Cross multiply
519,107.13x = 778,582.94 × 430,927.29 - Step 4: Simplify right side
519,107.13x = 335,512,634,219.80 - Step 5: Solve for x
x = 335,512,634,219.80/519,107.13 - Step 6: Final answer
x = 646,326.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.