Finding the Fourth Proportional to 917,251.71, 1,265,816.19 and 535,204.68
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Solution
The fourth proportional to 917,251.71, 1,265,816.19 and 535,204.68 is: 738,587.61
Step by Step Solution
- Step 1: Write the proportion equation
917,251.71 : 1,265,816.19 = 535,204.68 : x - Step 2: Convert to fraction form
917,251.71/1,265,816.19 = 535,204.68/x - Step 3: Cross multiply
917,251.71x = 1,265,816.19 × 535,204.68 - Step 4: Simplify right side
917,251.71x = 677,470,748,907.77 - Step 5: Solve for x
x = 677,470,748,907.77/917,251.71 - Step 6: Final answer
x = 738,587.61
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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.