Finding the Fourth Proportional to 589,720.10, 883,283.54 and 487,358.03
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Solution
The fourth proportional to 589,720.10, 883,283.54 and 487,358.03 is: 729,965.50
Step by Step Solution
- Step 1: Write the proportion equation
589,720.10 : 883,283.54 = 487,358.03 : x - Step 2: Convert to fraction form
589,720.10/883,283.54 = 487,358.03/x - Step 3: Cross multiply
589,720.10x = 883,283.54 × 487,358.03 - Step 4: Simplify right side
589,720.10x = 430,475,325,757.25 - Step 5: Solve for x
x = 430,475,325,757.25/589,720.10 - Step 6: Final answer
x = 729,965.50
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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.