Finding the Fourth Proportional to 896,548.98, 1,237,201.29 and 488,641.98
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Solution
The fourth proportional to 896,548.98, 1,237,201.29 and 488,641.98 is: 674,306.15
Step by Step Solution
- Step 1: Write the proportion equation
896,548.98 : 1,237,201.29 = 488,641.98 : x - Step 2: Convert to fraction form
896,548.98/1,237,201.29 = 488,641.98/x - Step 3: Cross multiply
896,548.98x = 1,237,201.29 × 488,641.98 - Step 4: Simplify right side
896,548.98x = 604,548,488,004.15 - Step 5: Solve for x
x = 604,548,488,004.15/896,548.98 - Step 6: Final answer
x = 674,306.15
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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.