Finding the Fourth Proportional to 874,448.21, 1,206,722.33 and 476,630.06
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Solution
The fourth proportional to 874,448.21, 1,206,722.33 and 476,630.06 is: 657,740.65
Step by Step Solution
- Step 1: Write the proportion equation
874,448.21 : 1,206,722.33 = 476,630.06 : x - Step 2: Convert to fraction form
874,448.21/1,206,722.33 = 476,630.06/x - Step 3: Cross multiply
874,448.21x = 1,206,722.33 × 476,630.06 - Step 4: Simplify right side
874,448.21x = 575,160,128,134.48 - Step 5: Solve for x
x = 575,160,128,134.48/874,448.21 - Step 6: Final answer
x = 657,740.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.