Finding the Fourth Proportional to 659,354.75, 909,909.56 and 357,548.99
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Solution
The fourth proportional to 659,354.75, 909,909.56 and 357,548.99 is: 493,417.61
Step by Step Solution
- Step 1: Write the proportion equation
659,354.75 : 909,909.56 = 357,548.99 : x - Step 2: Convert to fraction form
659,354.75/909,909.56 = 357,548.99/x - Step 3: Cross multiply
659,354.75x = 909,909.56 × 357,548.99 - Step 4: Simplify right side
659,354.75x = 325,337,242,381.60 - Step 5: Solve for x
x = 325,337,242,381.60/659,354.75 - Step 6: Final answer
x = 493,417.61
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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.