Finding the Fourth Proportional to 569,476.24, 785,838.72 and 314,792.80
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Solution
The fourth proportional to 569,476.24, 785,838.72 and 314,792.80 is: 434,392.79
Step by Step Solution
- Step 1: Write the proportion equation
569,476.24 : 785,838.72 = 314,792.80 : x - Step 2: Convert to fraction form
569,476.24/785,838.72 = 314,792.80/x - Step 3: Cross multiply
569,476.24x = 785,838.72 × 314,792.80 - Step 4: Simplify right side
569,476.24x = 247,376,371,017.22 - Step 5: Solve for x
x = 247,376,371,017.22/569,476.24 - Step 6: Final answer
x = 434,392.79
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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.