Finding the Fourth Proportional to 561,657.70, 842,486.55 and 491,673.70
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Solution
The fourth proportional to 561,657.70, 842,486.55 and 491,673.70 is: 737,510.55
Step by Step Solution
- Step 1: Write the proportion equation
561,657.70 : 842,486.55 = 491,673.70 : x - Step 2: Convert to fraction form
561,657.70/842,486.55 = 491,673.70/x - Step 3: Cross multiply
561,657.70x = 842,486.55 × 491,673.70 - Step 4: Simplify right side
561,657.70x = 414,228,479,238.74 - Step 5: Solve for x
x = 414,228,479,238.74/561,657.70 - Step 6: Final answer
x = 737,510.55
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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.