Finding the Fourth Proportional to 659,711.70, 989,567.55 and 589,727.70
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Solution
The fourth proportional to 659,711.70, 989,567.55 and 589,727.70 is: 884,591.55
Step by Step Solution
- Step 1: Write the proportion equation
659,711.70 : 989,567.55 = 589,727.70 : x - Step 2: Convert to fraction form
659,711.70/989,567.55 = 589,727.70/x - Step 3: Cross multiply
659,711.70x = 989,567.55 × 589,727.70 - Step 4: Simplify right side
659,711.70x = 583,575,395,256.14 - Step 5: Solve for x
x = 583,575,395,256.14/659,711.70 - Step 6: Final answer
x = 884,591.55
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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.