Finding the Fourth Proportional to 575,135.40, 862,703.10 and 529,645.80
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Solution
The fourth proportional to 575,135.40, 862,703.10 and 529,645.80 is: 794,468.70
Step by Step Solution
- Step 1: Write the proportion equation
575,135.40 : 862,703.10 = 529,645.80 : x - Step 2: Convert to fraction form
575,135.40/862,703.10 = 529,645.80/x - Step 3: Cross multiply
575,135.40x = 862,703.10 × 529,645.80 - Step 4: Simplify right side
575,135.40x = 456,927,073,561.98 - Step 5: Solve for x
x = 456,927,073,561.98/575,135.40 - Step 6: Final answer
x = 794,468.70
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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.