Finding the Fourth Proportional to 779,957.91, 1,169,937.23 and 281,321.91
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Solution
The fourth proportional to 779,957.91, 1,169,937.23 and 281,321.91 is: 421,982.99
Step by Step Solution
- Step 1: Write the proportion equation
779,957.91 : 1,169,937.23 = 281,321.91 : x - Step 2: Convert to fraction form
779,957.91/1,169,937.23 = 281,321.91/x - Step 3: Cross multiply
779,957.91x = 1,169,937.23 × 281,321.91 - Step 4: Simplify right side
779,957.91x = 329,128,974,717.10 - Step 5: Solve for x
x = 329,128,974,717.10/779,957.91 - Step 6: Final answer
x = 421,982.99
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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.