Finding the Fourth Proportional to 773,448.31, 1,160,203.92 and 368,432.31
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Solution
The fourth proportional to 773,448.31, 1,160,203.92 and 368,432.31 is: 552,663.45
Step by Step Solution
- Step 1: Write the proportion equation
773,448.31 : 1,160,203.92 = 368,432.31 : x - Step 2: Convert to fraction form
773,448.31/1,160,203.92 = 368,432.31/x - Step 3: Cross multiply
773,448.31x = 1,160,203.92 × 368,432.31 - Step 4: Simplify right side
773,448.31x = 427,456,615,358.23 - Step 5: Solve for x
x = 427,456,615,358.23/773,448.31 - Step 6: Final answer
x = 552,663.45
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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.