Finding the Fourth Proportional to 579,581.80, 869,622.99 and 313,529.60
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Solution
The fourth proportional to 579,581.80, 869,622.99 and 313,529.60 is: 470,429.80
Step by Step Solution
- Step 1: Write the proportion equation
579,581.80 : 869,622.99 = 313,529.60 : x - Step 2: Convert to fraction form
579,581.80/869,622.99 = 313,529.60/x - Step 3: Cross multiply
579,581.80x = 869,622.99 × 313,529.60 - Step 4: Simplify right side
579,581.80x = 272,652,549,203.83 - Step 5: Solve for x
x = 272,652,549,203.83/579,581.80 - Step 6: Final answer
x = 470,429.80
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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.