Finding the Fourth Proportional to 576,032.20, 864,048.30 and 310,311.70
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Solution
The fourth proportional to 576,032.20, 864,048.30 and 310,311.70 is: 465,467.55
Step by Step Solution
- Step 1: Write the proportion equation
576,032.20 : 864,048.30 = 310,311.70 : x - Step 2: Convert to fraction form
576,032.20/864,048.30 = 310,311.70/x - Step 3: Cross multiply
576,032.20x = 864,048.30 × 310,311.70 - Step 4: Simplify right side
576,032.20x = 268,124,296,855.11 - Step 5: Solve for x
x = 268,124,296,855.11/576,032.20 - Step 6: Final answer
x = 465,467.55
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Double scale
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Similar ratio
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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.