Finding the Fourth Proportional to 750,465.19, 1,035,642.17 and 406,301.05
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Solution
The fourth proportional to 750,465.19, 1,035,642.17 and 406,301.05 is: 560,695.56
Step by Step Solution
- Step 1: Write the proportion equation
750,465.19 : 1,035,642.17 = 406,301.05 : x - Step 2: Convert to fraction form
750,465.19/1,035,642.17 = 406,301.05/x - Step 3: Cross multiply
750,465.19x = 1,035,642.17 × 406,301.05 - Step 4: Simplify right side
750,465.19x = 420,782,501,095.28 - Step 5: Solve for x
x = 420,782,501,095.28/750,465.19 - Step 6: Final answer
x = 560,695.56
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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.