Finding the Fourth Proportional to 491,918.95, 737,878.74 and 379,763.02
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Solution
The fourth proportional to 491,918.95, 737,878.74 and 379,763.02 is: 569,644.77
Step by Step Solution
- Step 1: Write the proportion equation
491,918.95 : 737,878.74 = 379,763.02 : x - Step 2: Convert to fraction form
491,918.95/737,878.74 = 379,763.02/x - Step 3: Cross multiply
491,918.95x = 737,878.74 × 379,763.02 - Step 4: Simplify right side
491,918.95x = 280,219,058,696.20 - Step 5: Solve for x
x = 280,219,058,696.20/491,918.95 - Step 6: Final answer
x = 569,644.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.