Finding the Fourth Proportional to 896,108.70, 1,344,400.65 and 390,452.70
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Solution
The fourth proportional to 896,108.70, 1,344,400.65 and 390,452.70 is: 585,782.58
Step by Step Solution
- Step 1: Write the proportion equation
896,108.70 : 1,344,400.65 = 390,452.70 : x - Step 2: Convert to fraction form
896,108.70/1,344,400.65 = 390,452.70/x - Step 3: Cross multiply
896,108.70x = 1,344,400.65 × 390,452.70 - Step 4: Simplify right side
896,108.70x = 524,924,863,674.26 - Step 5: Solve for x
x = 524,924,863,674.26/896,108.70 - Step 6: Final answer
x = 585,782.58
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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.