Finding the Fourth Proportional to 507,862.26, 761,817.78 and 418,951.08
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Solution
The fourth proportional to 507,862.26, 761,817.78 and 418,951.08 is: 628,446.74
Step by Step Solution
- Step 1: Write the proportion equation
507,862.26 : 761,817.78 = 418,951.08 : x - Step 2: Convert to fraction form
507,862.26/761,817.78 = 418,951.08/x - Step 3: Cross multiply
507,862.26x = 761,817.78 × 418,951.08 - Step 4: Simplify right side
507,862.26x = 319,164,381,694.20 - Step 5: Solve for x
x = 319,164,381,694.20/507,862.26 - Step 6: Final answer
x = 628,446.74
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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.