Finding the Fourth Proportional to 519,764.20, 779,646.30 and 295,037.80
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Solution
The fourth proportional to 519,764.20, 779,646.30 and 295,037.80 is: 442,556.70
Step by Step Solution
- Step 1: Write the proportion equation
519,764.20 : 779,646.30 = 295,037.80 : x - Step 2: Convert to fraction form
519,764.20/779,646.30 = 295,037.80/x - Step 3: Cross multiply
519,764.20x = 779,646.30 × 295,037.80 - Step 4: Simplify right side
519,764.20x = 230,025,129,130.14 - Step 5: Solve for x
x = 230,025,129,130.14/519,764.20 - Step 6: Final answer
x = 442,556.70
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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.