Finding the Fourth Proportional to 788,682.80, 1,183,024.20 and 472,977.20
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Solution
The fourth proportional to 788,682.80, 1,183,024.20 and 472,977.20 is: 709,465.80
Step by Step Solution
- Step 1: Write the proportion equation
788,682.80 : 1,183,024.20 = 472,977.20 : x - Step 2: Convert to fraction form
788,682.80/1,183,024.20 = 472,977.20/x - Step 3: Cross multiply
788,682.80x = 1,183,024.20 × 472,977.20 - Step 4: Simplify right side
788,682.80x = 559,543,473,648.24 - Step 5: Solve for x
x = 559,543,473,648.24/788,682.80 - Step 6: Final answer
x = 709,465.80
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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.