Finding the Fourth Proportional to 514,420.36, 710,086.26 and 418,760.98
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Solution
The fourth proportional to 514,420.36, 710,086.26 and 418,760.98 is: 578,041.70
Step by Step Solution
- Step 1: Write the proportion equation
514,420.36 : 710,086.26 = 418,760.98 : x - Step 2: Convert to fraction form
514,420.36/710,086.26 = 418,760.98/x - Step 3: Cross multiply
514,420.36x = 710,086.26 × 418,760.98 - Step 4: Simplify right side
514,420.36x = 297,356,418,122.14 - Step 5: Solve for x
x = 297,356,418,122.14/514,420.36 - Step 6: Final answer
x = 578,041.70
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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.