Finding the Fourth Proportional to 482,953.40, 724,430.10 and 371,197.70
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Solution
The fourth proportional to 482,953.40, 724,430.10 and 371,197.70 is: 556,796.55
Step by Step Solution
- Step 1: Write the proportion equation
482,953.40 : 724,430.10 = 371,197.70 : x - Step 2: Convert to fraction form
482,953.40/724,430.10 = 371,197.70/x - Step 3: Cross multiply
482,953.40x = 724,430.10 × 371,197.70 - Step 4: Simplify right side
482,953.40x = 268,906,786,930.77 - Step 5: Solve for x
x = 268,906,786,930.77/482,953.40 - Step 6: Final answer
x = 556,796.55
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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.