Finding the Fourth Proportional to 624,427.06, 861,711.87 and 337,947.07
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Solution
The fourth proportional to 624,427.06, 861,711.87 and 337,947.07 is: 466,368.32
Step by Step Solution
- Step 1: Write the proportion equation
624,427.06 : 861,711.87 = 337,947.07 : x - Step 2: Convert to fraction form
624,427.06/861,711.87 = 337,947.07/x - Step 3: Cross multiply
624,427.06x = 861,711.87 × 337,947.07 - Step 4: Simplify right side
624,427.06x = 291,213,001,650.72 - Step 5: Solve for x
x = 291,213,001,650.72/624,427.06 - Step 6: Final answer
x = 466,368.32
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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.