Finding the Fourth Proportional to 896,542.90, 1,237,230.14 and 488,645.07
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Solution
The fourth proportional to 896,542.90, 1,237,230.14 and 488,645.07 is: 674,330.70
Step by Step Solution
- Step 1: Write the proportion equation
896,542.90 : 1,237,230.14 = 488,645.07 : x - Step 2: Convert to fraction form
896,542.90/1,237,230.14 = 488,645.07/x - Step 3: Cross multiply
896,542.90x = 1,237,230.14 × 488,645.07 - Step 4: Simplify right side
896,542.90x = 604,566,401,283.57 - Step 5: Solve for x
x = 604,566,401,283.57/896,542.90 - Step 6: Final answer
x = 674,330.70
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1.5x scale
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.