Finding the Fourth Proportional to 609,913.58, 841,685.70 and 337,986.05
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Solution
The fourth proportional to 609,913.58, 841,685.70 and 337,986.05 is: 466,423.50
Step by Step Solution
- Step 1: Write the proportion equation
609,913.58 : 841,685.70 = 337,986.05 : x - Step 2: Convert to fraction form
609,913.58/841,685.70 = 337,986.05/x - Step 3: Cross multiply
609,913.58x = 841,685.70 × 337,986.05 - Step 4: Simplify right side
609,913.58x = 284,478,025,084.49 - Step 5: Solve for x
x = 284,478,025,084.49/609,913.58 - Step 6: Final answer
x = 466,423.50
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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.