Finding the Fourth Proportional to 587,763.96, 811,202.90 and 358,454.31
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Solution
The fourth proportional to 587,763.96, 811,202.90 and 358,454.31 is: 494,721.00
Step by Step Solution
- Step 1: Write the proportion equation
587,763.96 : 811,202.90 = 358,454.31 : x - Step 2: Convert to fraction form
587,763.96/811,202.90 = 358,454.31/x - Step 3: Cross multiply
587,763.96x = 811,202.90 × 358,454.31 - Step 4: Simplify right side
587,763.96x = 290,779,173,997.23 - Step 5: Solve for x
x = 290,779,173,997.23/587,763.96 - Step 6: Final answer
x = 494,721.00
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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.