Finding the Fourth Proportional to 707,156.38, 1,060,405.71 and 257,564.26
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Solution
The fourth proportional to 707,156.38, 1,060,405.71 and 257,564.26 is: 386,226.61
Step by Step Solution
- Step 1: Write the proportion equation
707,156.38 : 1,060,405.71 = 257,564.26 : x - Step 2: Convert to fraction form
707,156.38/1,060,405.71 = 257,564.26/x - Step 3: Cross multiply
707,156.38x = 1,060,405.71 × 257,564.26 - Step 4: Simplify right side
707,156.38x = 273,122,611,995.93 - Step 5: Solve for x
x = 273,122,611,995.93/707,156.38 - Step 6: Final answer
x = 386,226.61
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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.