Finding the Fourth Proportional to 833,769.99, 1,250,348.64 and 286,507.20
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Solution
The fourth proportional to 833,769.99, 1,250,348.64 and 286,507.20 is: 429,655.53
Step by Step Solution
- Step 1: Write the proportion equation
833,769.99 : 1,250,348.64 = 286,507.20 : x - Step 2: Convert to fraction form
833,769.99/1,250,348.64 = 286,507.20/x - Step 3: Cross multiply
833,769.99x = 1,250,348.64 × 286,507.20 - Step 4: Simplify right side
833,769.99x = 358,233,887,870.21 - Step 5: Solve for x
x = 358,233,887,870.21/833,769.99 - Step 6: Final answer
x = 429,655.53
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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.