Finding the Fourth Proportional to 750,703.46, 1,035,971.33 and 406,542.06
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Solution
The fourth proportional to 750,703.46, 1,035,971.33 and 406,542.06 is: 561,028.34
Step by Step Solution
- Step 1: Write the proportion equation
750,703.46 : 1,035,971.33 = 406,542.06 : x - Step 2: Convert to fraction form
750,703.46/1,035,971.33 = 406,542.06/x - Step 3: Cross multiply
750,703.46x = 1,035,971.33 × 406,542.06 - Step 4: Simplify right side
750,703.46x = 421,165,916,566.43 - Step 5: Solve for x
x = 421,165,916,566.43/750,703.46 - Step 6: Final answer
x = 561,028.34
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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.