Finding the Fourth Proportional to 855,652.96, 1,180,430.42 and 515,932.48
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Solution
The fourth proportional to 855,652.96, 1,180,430.42 and 515,932.48 is: 711,763.32
Step by Step Solution
- Step 1: Write the proportion equation
855,652.96 : 1,180,430.42 = 515,932.48 : x - Step 2: Convert to fraction form
855,652.96/1,180,430.42 = 515,932.48/x - Step 3: Cross multiply
855,652.96x = 1,180,430.42 × 515,932.48 - Step 4: Simplify right side
855,652.96x = 609,022,394,058.04 - Step 5: Solve for x
x = 609,022,394,058.04/855,652.96 - Step 6: Final answer
x = 711,763.32
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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.