Finding the Fourth Proportional to 926,395.83, 1,278,424.35 and 518,496.03
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Solution
The fourth proportional to 926,395.83, 1,278,424.35 and 518,496.03 is: 715,523.46
Step by Step Solution
- Step 1: Write the proportion equation
926,395.83 : 1,278,424.35 = 518,496.03 : x - Step 2: Convert to fraction form
926,395.83/1,278,424.35 = 518,496.03/x - Step 3: Cross multiply
926,395.83x = 1,278,424.35 × 518,496.03 - Step 4: Simplify right side
926,395.83x = 662,857,950,130.33 - Step 5: Solve for x
x = 662,857,950,130.33/926,395.83 - Step 6: Final answer
x = 715,523.46
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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.