Finding the Fourth Proportional to 626,946.09, 865,202.76 and 368,841.21
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Solution
The fourth proportional to 626,946.09, 865,202.76 and 368,841.21 is: 509,010.96
Step by Step Solution
- Step 1: Write the proportion equation
626,946.09 : 865,202.76 = 368,841.21 : x - Step 2: Convert to fraction form
626,946.09/865,202.76 = 368,841.21/x - Step 3: Cross multiply
626,946.09x = 865,202.76 × 368,841.21 - Step 4: Simplify right side
626,946.09x = 319,122,432,893.74 - Step 5: Solve for x
x = 319,122,432,893.74/626,946.09 - Step 6: Final answer
x = 509,010.96
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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.