Finding the Fourth Proportional to 609,941.68, 841,709.24 and 338,009.02
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Solution
The fourth proportional to 609,941.68, 841,709.24 and 338,009.02 is: 466,446.75
Step by Step Solution
- Step 1: Write the proportion equation
609,941.68 : 841,709.24 = 338,009.02 : x - Step 2: Convert to fraction form
609,941.68/841,709.24 = 338,009.02/x - Step 3: Cross multiply
609,941.68x = 841,709.24 × 338,009.02 - Step 4: Simplify right side
609,941.68x = 284,505,312,810.56 - Step 5: Solve for x
x = 284,505,312,810.56/609,941.68 - Step 6: Final answer
x = 466,446.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.