Finding the Fourth Proportional to 704,130.98, 971,700.97 and 381,840.98
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Solution
The fourth proportional to 704,130.98, 971,700.97 and 381,840.98 is: 526,940.67
Step by Step Solution
- Step 1: Write the proportion equation
704,130.98 : 971,700.97 = 381,840.98 : x - Step 2: Convert to fraction form
704,130.98/971,700.97 = 381,840.98/x - Step 3: Cross multiply
704,130.98x = 971,700.97 × 381,840.98 - Step 4: Simplify right side
704,130.98x = 371,035,250,651.75 - Step 5: Solve for x
x = 371,035,250,651.75/704,130.98 - Step 6: Final answer
x = 526,940.67
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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.