Finding the Fourth Proportional to 926,593.32, 1,278,699.30 and 518,695.98
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Solution
The fourth proportional to 926,593.32, 1,278,699.30 and 518,695.98 is: 715,800.74
Step by Step Solution
- Step 1: Write the proportion equation
926,593.32 : 1,278,699.30 = 518,695.98 : x - Step 2: Convert to fraction form
926,593.32/1,278,699.30 = 518,695.98/x - Step 3: Cross multiply
926,593.32x = 1,278,699.30 × 518,695.98 - Step 4: Simplify right side
926,593.32x = 663,256,186,538.81 - Step 5: Solve for x
x = 663,256,186,538.81/926,593.32 - Step 6: Final answer
x = 715,800.74
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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.