Finding the Fourth Proportional to 614,535.20, 921,802.80 and 572,544.80
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Solution
The fourth proportional to 614,535.20, 921,802.80 and 572,544.80 is: 858,817.20
Step by Step Solution
- Step 1: Write the proportion equation
614,535.20 : 921,802.80 = 572,544.80 : x - Step 2: Convert to fraction form
614,535.20/921,802.80 = 572,544.80/x - Step 3: Cross multiply
614,535.20x = 921,802.80 × 572,544.80 - Step 4: Simplify right side
614,535.20x = 527,773,399,765.44 - Step 5: Solve for x
x = 527,773,399,765.44/614,535.20 - Step 6: Final answer
x = 858,817.20
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1.5x scale
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.