Finding the Fourth Proportional to 763,627.08, 1,053,743.88 and 441,358.05
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Solution
The fourth proportional to 763,627.08, 1,053,743.88 and 441,358.05 is: 609,038.57
Step by Step Solution
- Step 1: Write the proportion equation
763,627.08 : 1,053,743.88 = 441,358.05 : x - Step 2: Convert to fraction form
763,627.08/1,053,743.88 = 441,358.05/x - Step 3: Cross multiply
763,627.08x = 1,053,743.88 × 441,358.05 - Step 4: Simplify right side
763,627.08x = 465,078,344,076.23 - Step 5: Solve for x
x = 465,078,344,076.23/763,627.08 - Step 6: Final answer
x = 609,038.57
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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.