Finding the Fourth Proportional to 865,668.98, 1,194,545.49 and 483,642.74
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Solution
The fourth proportional to 865,668.98, 1,194,545.49 and 483,642.74 is: 667,383.57
Step by Step Solution
- Step 1: Write the proportion equation
865,668.98 : 1,194,545.49 = 483,642.74 : x - Step 2: Convert to fraction form
865,668.98/1,194,545.49 = 483,642.74/x - Step 3: Cross multiply
865,668.98x = 1,194,545.49 × 483,642.74 - Step 4: Simplify right side
865,668.98x = 577,733,253,838.24 - Step 5: Solve for x
x = 577,733,253,838.24/865,668.98 - Step 6: Final answer
x = 667,383.57
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1.5x scale
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.