Finding the Fourth Proportional to 649,694.80, 973,159.80 and 539,102.80
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Solution
The fourth proportional to 649,694.80, 973,159.80 and 539,102.80 is: 807,507.11
Step by Step Solution
- Step 1: Write the proportion equation
649,694.80 : 973,159.80 = 539,102.80 : x - Step 2: Convert to fraction form
649,694.80/973,159.80 = 539,102.80/x - Step 3: Cross multiply
649,694.80x = 973,159.80 × 539,102.80 - Step 4: Simplify right side
649,694.80x = 524,633,173,027.44 - Step 5: Solve for x
x = 524,633,173,027.44/649,694.80 - Step 6: Final answer
x = 807,507.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.