Finding the Fourth Proportional to 869,010.99, 1,301,835.11 and 488,776.44
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Solution
The fourth proportional to 869,010.99, 1,301,835.11 and 488,776.44 is: 732,218.96
Step by Step Solution
- Step 1: Write the proportion equation
869,010.99 : 1,301,835.11 = 488,776.44 : x - Step 2: Convert to fraction form
869,010.99/1,301,835.11 = 488,776.44/x - Step 3: Cross multiply
869,010.99x = 1,301,835.11 × 488,776.44 - Step 4: Simplify right side
869,010.99x = 636,306,326,110.63 - Step 5: Solve for x
x = 636,306,326,110.63/869,010.99 - Step 6: Final answer
x = 732,218.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.