Finding the Fourth Proportional to 514,718.59, 710,354.78 and 285,331.99
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Solution
The fourth proportional to 514,718.59, 710,354.78 and 285,331.99 is: 393,782.05
Step by Step Solution
- Step 1: Write the proportion equation
514,718.59 : 710,354.78 = 285,331.99 : x - Step 2: Convert to fraction form
514,718.59/710,354.78 = 285,331.99/x - Step 3: Cross multiply
514,718.59x = 710,354.78 × 285,331.99 - Step 4: Simplify right side
514,718.59x = 202,686,942,983.41 - Step 5: Solve for x
x = 202,686,942,983.41/514,718.59 - Step 6: Final answer
x = 393,782.05
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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.