Finding the Fourth Proportional to 736,563.55, 1,105,115.19 and 310,206.70
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Solution
The fourth proportional to 736,563.55, 1,105,115.19 and 310,206.70 is: 465,423.70
Step by Step Solution
- Step 1: Write the proportion equation
736,563.55 : 1,105,115.19 = 310,206.70 : x - Step 2: Convert to fraction form
736,563.55/1,105,115.19 = 310,206.70/x - Step 3: Cross multiply
736,563.55x = 1,105,115.19 × 310,206.70 - Step 4: Simplify right side
736,563.55x = 342,814,136,209.77 - Step 5: Solve for x
x = 342,814,136,209.77/736,563.55 - Step 6: Final answer
x = 465,423.70
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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.