Finding the Fourth Proportional to 906,426.56, 1,250,876.99 and 492,967.19
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Solution
The fourth proportional to 906,426.56, 1,250,876.99 and 492,967.19 is: 680,299.26
Step by Step Solution
- Step 1: Write the proportion equation
906,426.56 : 1,250,876.99 = 492,967.19 : x - Step 2: Convert to fraction form
906,426.56/1,250,876.99 = 492,967.19/x - Step 3: Cross multiply
906,426.56x = 1,250,876.99 × 492,967.19 - Step 4: Simplify right side
906,426.56x = 616,641,314,795.96 - Step 5: Solve for x
x = 616,641,314,795.96/906,426.56 - Step 6: Final answer
x = 680,299.26
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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.