Finding the Fourth Proportional to 659,887.08, 989,752.84 and 519,685.80
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Solution
The fourth proportional to 659,887.08, 989,752.84 and 519,685.80 is: 779,467.45
Step by Step Solution
- Step 1: Write the proportion equation
659,887.08 : 989,752.84 = 519,685.80 : x - Step 2: Convert to fraction form
659,887.08/989,752.84 = 519,685.80/x - Step 3: Cross multiply
659,887.08x = 989,752.84 × 519,685.80 - Step 4: Simplify right side
659,887.08x = 514,360,496,457.67 - Step 5: Solve for x
x = 514,360,496,457.67/659,887.08 - Step 6: Final answer
x = 779,467.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.