Finding the Fourth Proportional to 504,787.23, 696,681.81 and 323,703.63
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Solution
The fourth proportional to 504,787.23, 696,681.81 and 323,703.63 is: 446,759.38
Step by Step Solution
- Step 1: Write the proportion equation
504,787.23 : 696,681.81 = 323,703.63 : x - Step 2: Convert to fraction form
504,787.23/696,681.81 = 323,703.63/x - Step 3: Cross multiply
504,787.23x = 696,681.81 × 323,703.63 - Step 4: Simplify right side
504,787.23x = 225,518,430,851.97 - Step 5: Solve for x
x = 225,518,430,851.97/504,787.23 - Step 6: Final answer
x = 446,759.38
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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.