Finding the Fourth Proportional to 750,688, 1,035,949.97 and 406,526.62
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Solution
The fourth proportional to 750,688, 1,035,949.97 and 406,526.62 is: 561,007.02
Step by Step Solution
- Step 1: Write the proportion equation
750,688 : 1,035,949.97 = 406,526.62 : x - Step 2: Convert to fraction form
750,688/1,035,949.97 = 406,526.62/x - Step 3: Cross multiply
750,688x = 1,035,949.97 × 406,526.62 - Step 4: Simplify right side
750,688x = 421,141,239,793.20 - Step 5: Solve for x
x = 421,141,239,793.20/750,688 - Step 6: Final answer
x = 561,007.02
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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.