Finding the Fourth Proportional to 609,869.53, 841,638.40 and 337,911.98
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Solution
The fourth proportional to 609,869.53, 841,638.40 and 337,911.98 is: 466,328.75
Step by Step Solution
- Step 1: Write the proportion equation
609,869.53 : 841,638.40 = 337,911.98 : x - Step 2: Convert to fraction form
609,869.53/841,638.40 = 337,911.98/x - Step 3: Cross multiply
609,869.53x = 841,638.40 × 337,911.98 - Step 4: Simplify right side
609,869.53x = 284,399,693,135.06 - Step 5: Solve for x
x = 284,399,693,135.06/609,869.53 - Step 6: Final answer
x = 466,328.75
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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.