Finding the Fourth Proportional to 516,888.18, 774,826.07 and 289,294.94
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Solution
The fourth proportional to 516,888.18, 774,826.07 and 289,294.94 is: 433,659.09
Step by Step Solution
- Step 1: Write the proportion equation
516,888.18 : 774,826.07 = 289,294.94 : x - Step 2: Convert to fraction form
516,888.18/774,826.07 = 289,294.94/x - Step 3: Cross multiply
516,888.18x = 774,826.07 × 289,294.94 - Step 4: Simplify right side
516,888.18x = 224,153,257,556.96 - Step 5: Solve for x
x = 224,153,257,556.96/516,888.18 - Step 6: Final answer
x = 433,659.09
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1.5x scale
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.