Finding the Fourth Proportional to 1,020,224.80, 1,530,337.20 and 310,251.70
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Solution
The fourth proportional to 1,020,224.80, 1,530,337.20 and 310,251.70 is: 465,377.55
Step by Step Solution
- Step 1: Write the proportion equation
1,020,224.80 : 1,530,337.20 = 310,251.70 : x - Step 2: Convert to fraction form
1,020,224.80/1,530,337.20 = 310,251.70/x - Step 3: Cross multiply
1,020,224.80x = 1,530,337.20 × 310,251.70 - Step 4: Simplify right side
1,020,224.80x = 474,789,717,873.24 - Step 5: Solve for x
x = 474,789,717,873.24/1,020,224.80 - Step 6: Final answer
x = 465,377.55
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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.