Finding the Fourth Proportional to 866,019.16, 1,195,057.99 and 478,812.02
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Solution
The fourth proportional to 866,019.16, 1,195,057.99 and 478,812.02 is: 660,733.80
Step by Step Solution
- Step 1: Write the proportion equation
866,019.16 : 1,195,057.99 = 478,812.02 : x - Step 2: Convert to fraction form
866,019.16/1,195,057.99 = 478,812.02/x - Step 3: Cross multiply
866,019.16x = 1,195,057.99 × 478,812.02 - Step 4: Simplify right side
866,019.16x = 572,208,127,814.98 - Step 5: Solve for x
x = 572,208,127,814.98/866,019.16 - Step 6: Final answer
x = 660,733.80
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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.