Finding the Fourth Proportional to 925,963.98, 1,389,000.21 and 357,348.06
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Solution
The fourth proportional to 925,963.98, 1,389,000.21 and 357,348.06 is: 536,043.02
Step by Step Solution
- Step 1: Write the proportion equation
925,963.98 : 1,389,000.21 = 357,348.06 : x - Step 2: Convert to fraction form
925,963.98/1,389,000.21 = 357,348.06/x - Step 3: Cross multiply
925,963.98x = 1,389,000.21 × 357,348.06 - Step 4: Simplify right side
925,963.98x = 496,356,530,383.09 - Step 5: Solve for x
x = 496,356,530,383.09/925,963.98 - Step 6: Final answer
x = 536,043.02
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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.