Finding the Fourth Proportional to 627,416.07, 865,838.93 and 340,937.70
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Solution
The fourth proportional to 627,416.07, 865,838.93 and 340,937.70 is: 470,496.61
Step by Step Solution
- Step 1: Write the proportion equation
627,416.07 : 865,838.93 = 340,937.70 : x - Step 2: Convert to fraction form
627,416.07/865,838.93 = 340,937.70/x - Step 3: Cross multiply
627,416.07x = 865,838.93 × 340,937.70 - Step 4: Simplify right side
627,416.07x = 295,197,133,364.66 - Step 5: Solve for x
x = 295,197,133,364.66/627,416.07 - Step 6: Final answer
x = 470,496.61
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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.