Finding the Fourth Proportional to 782,977.84, 1,080,491.04 and 460,708.80
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Solution
The fourth proportional to 782,977.84, 1,080,491.04 and 460,708.80 is: 635,767.33
Step by Step Solution
- Step 1: Write the proportion equation
782,977.84 : 1,080,491.04 = 460,708.80 : x - Step 2: Convert to fraction form
782,977.84/1,080,491.04 = 460,708.80/x - Step 3: Cross multiply
782,977.84x = 1,080,491.04 × 460,708.80 - Step 4: Simplify right side
782,977.84x = 497,791,730,449.15 - Step 5: Solve for x
x = 497,791,730,449.15/782,977.84 - Step 6: Final answer
x = 635,767.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.