Finding the Fourth Proportional to 704,132.98, 971,703.74 and 381,842.98
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Solution
The fourth proportional to 704,132.98, 971,703.74 and 381,842.98 is: 526,943.44
Step by Step Solution
- Step 1: Write the proportion equation
704,132.98 : 971,703.74 = 381,842.98 : x - Step 2: Convert to fraction form
704,132.98/971,703.74 = 381,842.98/x - Step 3: Cross multiply
704,132.98x = 971,703.74 × 381,842.98 - Step 4: Simplify right side
704,132.98x = 371,038,251,758.75 - Step 5: Solve for x
x = 371,038,251,758.75/704,132.98 - Step 6: Final answer
x = 526,943.44
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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.