Finding the Fourth Proportional to 808,633.20, 1,211,965.88 and 572,044.08
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Solution
The fourth proportional to 808,633.20, 1,211,965.88 and 572,044.08 is: 857,370.07
Step by Step Solution
- Step 1: Write the proportion equation
808,633.20 : 1,211,965.88 = 572,044.08 : x - Step 2: Convert to fraction form
808,633.20/1,211,965.88 = 572,044.08/x - Step 3: Cross multiply
808,633.20x = 1,211,965.88 × 572,044.08 - Step 4: Simplify right side
808,633.20x = 693,297,906,815.99 - Step 5: Solve for x
x = 693,297,906,815.99/808,633.20 - Step 6: Final answer
x = 857,370.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.