Finding the Fourth Proportional to 943,637.76, 1,302,212.16 and 657,316.80
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Solution
The fourth proportional to 943,637.76, 1,302,212.16 and 657,316.80 is: 907,091.65
Step by Step Solution
- Step 1: Write the proportion equation
943,637.76 : 1,302,212.16 = 657,316.80 : x - Step 2: Convert to fraction form
943,637.76/1,302,212.16 = 657,316.80/x - Step 3: Cross multiply
943,637.76x = 1,302,212.16 × 657,316.80 - Step 4: Simplify right side
943,637.76x = 855,965,929,932.29 - Step 5: Solve for x
x = 855,965,929,932.29/943,637.76 - Step 6: Final answer
x = 907,091.65
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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.