Finding the Fourth Proportional to 762,271.24, 1,143,579.36 and 256,818.48
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Solution
The fourth proportional to 762,271.24, 1,143,579.36 and 256,818.48 is: 385,285.84
Step by Step Solution
- Step 1: Write the proportion equation
762,271.24 : 1,143,579.36 = 256,818.48 : x - Step 2: Convert to fraction form
762,271.24/1,143,579.36 = 256,818.48/x - Step 3: Cross multiply
762,271.24x = 1,143,579.36 × 256,818.48 - Step 4: Simplify right side
762,271.24x = 293,692,312,994.57 - Step 5: Solve for x
x = 293,692,312,994.57/762,271.24 - Step 6: Final answer
x = 385,285.84
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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.