Finding the Fourth Proportional to 624,368.28, 861,628.12 and 337,888.36
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Solution
The fourth proportional to 624,368.28, 861,628.12 and 337,888.36 is: 466,285.88
Step by Step Solution
- Step 1: Write the proportion equation
624,368.28 : 861,628.12 = 337,888.36 : x - Step 2: Convert to fraction form
624,368.28/861,628.12 = 337,888.36/x - Step 3: Cross multiply
624,368.28x = 861,628.12 × 337,888.36 - Step 4: Simplify right side
624,368.28x = 291,134,112,396.68 - Step 5: Solve for x
x = 291,134,112,396.68/624,368.28 - Step 6: Final answer
x = 466,285.88
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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.