Finding the Fourth Proportional to 578,658.40, 868,246.80 and 262,952.80
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Solution
The fourth proportional to 578,658.40, 868,246.80 and 262,952.80 is: 394,546.99
Step by Step Solution
- Step 1: Write the proportion equation
578,658.40 : 868,246.80 = 262,952.80 : x - Step 2: Convert to fraction form
578,658.40/868,246.80 = 262,952.80/x - Step 3: Cross multiply
578,658.40x = 868,246.80 × 262,952.80 - Step 4: Simplify right side
578,658.40x = 228,307,927,151.04 - Step 5: Solve for x
x = 228,307,927,151.04/578,658.40 - Step 6: Final answer
x = 394,546.99
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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.