Finding the Fourth Proportional to 866,430.99, 1,195,594.51 and 479,238.07
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Solution
The fourth proportional to 866,430.99, 1,195,594.51 and 479,238.07 is: 661,304.15
Step by Step Solution
- Step 1: Write the proportion equation
866,430.99 : 1,195,594.51 = 479,238.07 : x - Step 2: Convert to fraction form
866,430.99/1,195,594.51 = 479,238.07/x - Step 3: Cross multiply
866,430.99x = 1,195,594.51 × 479,238.07 - Step 4: Simplify right side
866,430.99x = 572,974,405,475.00 - Step 5: Solve for x
x = 572,974,405,475.00/866,430.99 - Step 6: Final answer
x = 661,304.15
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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.