Finding the Fourth Proportional to 569,411.97, 785,757.67 and 314,746.75
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Solution
The fourth proportional to 569,411.97, 785,757.67 and 314,746.75 is: 434,333.46
Step by Step Solution
- Step 1: Write the proportion equation
569,411.97 : 785,757.67 = 314,746.75 : x - Step 2: Convert to fraction form
569,411.97/785,757.67 = 314,746.75/x - Step 3: Cross multiply
569,411.97x = 785,757.67 × 314,746.75 - Step 4: Simplify right side
569,411.97x = 247,314,672,920.07 - Step 5: Solve for x
x = 247,314,672,920.07/569,411.97 - Step 6: Final answer
x = 434,333.46
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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.