Finding the Fourth Proportional to 843,389.84, 1,163,763.20 and 503,786
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Solution
The fourth proportional to 843,389.84, 1,163,763.20 and 503,786 is: 695,156.12
Step by Step Solution
- Step 1: Write the proportion equation
843,389.84 : 1,163,763.20 = 503,786 : x - Step 2: Convert to fraction form
843,389.84/1,163,763.20 = 503,786/x - Step 3: Cross multiply
843,389.84x = 1,163,763.20 × 503,786 - Step 4: Simplify right side
843,389.84x = 586,287,607,475.20 - Step 5: Solve for x
x = 586,287,607,475.20/843,389.84 - Step 6: Final answer
x = 695,156.12
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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.