Finding the Fourth Proportional to 617,491.80, 926,237.70 and 302,563.80
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Solution
The fourth proportional to 617,491.80, 926,237.70 and 302,563.80 is: 453,845.70
Step by Step Solution
- Step 1: Write the proportion equation
617,491.80 : 926,237.70 = 302,563.80 : x - Step 2: Convert to fraction form
617,491.80/926,237.70 = 302,563.80/x - Step 3: Cross multiply
617,491.80x = 926,237.70 × 302,563.80 - Step 4: Simplify right side
617,491.80x = 280,245,998,215.26 - Step 5: Solve for x
x = 280,245,998,215.26/617,491.80 - Step 6: Final answer
x = 453,845.70
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1.5x scale
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.