Finding the Fourth Proportional to 1,036,878.75, 1,430,892.68 and 559,950.75
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Solution
The fourth proportional to 1,036,878.75, 1,430,892.68 and 559,950.75 is: 772,732.04
Step by Step Solution
- Step 1: Write the proportion equation
1,036,878.75 : 1,430,892.68 = 559,950.75 : x - Step 2: Convert to fraction form
1,036,878.75/1,430,892.68 = 559,950.75/x - Step 3: Cross multiply
1,036,878.75x = 1,430,892.68 × 559,950.75 - Step 4: Simplify right side
1,036,878.75x = 801,229,426,535.76 - Step 5: Solve for x
x = 801,229,426,535.76/1,036,878.75 - Step 6: Final answer
x = 772,732.04
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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.