Finding the Fourth Proportional to 624,605.56, 861,955.50 and 338,125.42
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Solution
The fourth proportional to 624,605.56, 861,955.50 and 338,125.42 is: 466,612.99
Step by Step Solution
- Step 1: Write the proportion equation
624,605.56 : 861,955.50 = 338,125.42 : x - Step 2: Convert to fraction form
624,605.56/861,955.50 = 338,125.42/x - Step 3: Cross multiply
624,605.56x = 861,955.50 × 338,125.42 - Step 4: Simplify right side
624,605.56x = 291,449,065,458.81 - Step 5: Solve for x
x = 291,449,065,458.81/624,605.56 - Step 6: Final answer
x = 466,612.99
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1.5x scale
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.