Finding the Fourth Proportional to 519,298.86, 774,585.21 and 471,461.88
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Solution
The fourth proportional to 519,298.86, 774,585.21 and 471,461.88 is: 703,231.66
Step by Step Solution
- Step 1: Write the proportion equation
519,298.86 : 774,585.21 = 471,461.88 : x - Step 2: Convert to fraction form
519,298.86/774,585.21 = 471,461.88/x - Step 3: Cross multiply
519,298.86x = 774,585.21 × 471,461.88 - Step 4: Simplify right side
519,298.86x = 365,187,399,326.80 - Step 5: Solve for x
x = 365,187,399,326.80/519,298.86 - Step 6: Final answer
x = 703,231.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.