Finding the Fourth Proportional to 910,072.26, 1,255,898.23 and 502,173.78
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Solution
The fourth proportional to 910,072.26, 1,255,898.23 and 502,173.78 is: 692,998.99
Step by Step Solution
- Step 1: Write the proportion equation
910,072.26 : 1,255,898.23 = 502,173.78 : x - Step 2: Convert to fraction form
910,072.26/1,255,898.23 = 502,173.78/x - Step 3: Cross multiply
910,072.26x = 1,255,898.23 × 502,173.78 - Step 4: Simplify right side
910,072.26x = 630,679,161,454.41 - Step 5: Solve for x
x = 630,679,161,454.41/910,072.26 - Step 6: Final answer
x = 692,998.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.