Finding the Fourth Proportional to 783,202.04, 1,080,797.80 and 460,931.12
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Solution
The fourth proportional to 783,202.04, 1,080,797.80 and 460,931.12 is: 636,072.58
Step by Step Solution
- Step 1: Write the proportion equation
783,202.04 : 1,080,797.80 = 460,931.12 : x - Step 2: Convert to fraction form
783,202.04/1,080,797.80 = 460,931.12/x - Step 3: Cross multiply
783,202.04x = 1,080,797.80 × 460,931.12 - Step 4: Simplify right side
783,202.04x = 498,173,340,447.54 - Step 5: Solve for x
x = 498,173,340,447.54/783,202.04 - Step 6: Final answer
x = 636,072.58
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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.